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[elisp/wanderlust.git] / wl / wl-folder.el
1 ;;; wl-folder.el --- Folder mode for Wanderlust.
2
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
5
6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
7 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
8 ;; Keywords: mail, net news
9
10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
11
12 ;; This program is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; any later version.
16 ;;
17 ;; This program is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 ;; GNU General Public License for more details.
21 ;;
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
26 ;;
27
28 ;;; Commentary:
29 ;;
30
31 ;;; Code:
32 ;;
33
34 (require 'elmo-vars)
35 (require 'elmo-util)
36 (require 'elmo)
37 (require 'wl-vars)
38 (condition-case ()
39     (require 'easymenu) ; needed here.
40   (error))
41
42 (eval-when-compile
43   (require 'cl)
44   (require 'wl-util)
45   (provide 'wl-folder)
46   (require 'wl)
47   (require 'elmo-nntp))
48
49 (defcustom wl-folder-init-hook nil
50   "A hook called after folder initialization is finished."
51   :type 'hook
52   :group 'wl)
53
54 (defvar wl-folder-buffer-name "Folder")
55 (defvar wl-folder-entity nil)           ; desktop entity.
56 (defvar wl-folder-group-alist nil)      ; opened or closed
57 (defvar wl-folder-entity-id nil) ; id
58 (defvar wl-folder-entity-hashtb nil)
59 (defvar wl-folder-entity-id-name-hashtb nil)
60 (defvar wl-folder-elmo-folder-hashtb nil)  ; name => elmo folder structure
61
62 (defvar wl-folder-newsgroups-hashtb nil)
63 (defvar wl-folder-info-alist-modified nil)
64 (defvar wl-folder-completion-function nil)
65
66 (defvar wl-folder-mode-map nil)
67
68 (defvar wl-folder-buffer-disp-summary nil)
69 (defvar wl-folder-buffer-cur-entity-id nil)
70 (defvar wl-folder-buffer-cur-path nil)
71 (defvar wl-folder-buffer-cur-point nil)
72
73 (make-variable-buffer-local 'wl-folder-buffer-disp-summary)
74 (make-variable-buffer-local 'wl-folder-buffer-cur-entity-id)
75 (make-variable-buffer-local 'wl-folder-buffer-cur-path)
76 (make-variable-buffer-local 'wl-folder-buffer-cur-point)
77
78 (defconst wl-folder-entity-regexp "^\\([ ]*\\)\\(\\[[\\+-]\\]\\)?\\([^\\[].+\\):[-*0-9]+/[-*0-9]+/[-*0-9]+")
79 (defconst wl-folder-group-regexp  "^\\([ ]*\\)\\[\\([\\+-]\\)\\]\\(.+\\):[-0-9-]+/[0-9-]+/[0-9-]+\n")
80 ;;                              1:indent 2:opened 3:group-name
81 (defconst wl-folder-unsync-regexp ":[^0\\*][0-9]*/[0-9\\*-]+/[0-9\\*-]+$")
82
83 (defvar wl-folder-mode-menu-spec
84   '("Folder"
85     ["Enter Current Folder" wl-folder-jump-to-current-entity t]
86     ["Prev Folder"          wl-folder-prev-entity t]
87     ["Next Folder"          wl-folder-next-entity t]
88     ["Check Current Folder" wl-folder-check-current-entity t]
89     ["Sync Current Folder"  wl-folder-sync-current-entity t]
90 ;    ["Drop Current Folder" wl-folder-drop-unsync-current-entity t]
91     ["Prefetch Current Folder" wl-folder-prefetch-current-entity t]
92     "----"
93     ["Mark as Read all Current Folder" wl-folder-mark-as-read-all-current-entity t]
94     ["Expire Current Folder" wl-folder-expire-current-entity t]
95     "----"
96     ["Go to Draft Folder" wl-folder-goto-draft-folder t]
97     ["Empty trash" wl-folder-empty-trash t]
98     ["Flush queue" wl-folder-flush-queue t]
99     "----"
100     ["Open All" wl-folder-open-all t]
101     ["Open All Unread folder" wl-folder-open-all-unread-folder t]
102     ["Close All" wl-folder-close-all t]
103     ("Folder Manager"
104      ["Add folder" wl-fldmgr-add t]
105      ["Add group" wl-fldmgr-make-group t]
106      ["Copy" wl-fldmgr-copy t]
107      ["Cut" wl-fldmgr-cut t]
108      ["Paste" wl-fldmgr-yank t]
109      ["Set petname" wl-fldmgr-set-petname t]
110      ["Rename" wl-fldmgr-rename t]
111      ["Save" wl-fldmgr-save-folders t]
112      "----"
113      ["Unsubscribe" wl-fldmgr-unsubscribe t]
114      ["Display all" wl-fldmgr-access-display-all t])
115     "----"
116     ["Write a message" wl-draft t]
117     ["Write for current folder" wl-folder-write-current-folder t]
118     "----"
119     ["Toggle Plug Status" wl-toggle-plugged t]
120     ["Change Plug Status" wl-plugged-change t]
121     "----"
122     ["Save Current Status"  wl-save t]
123     ["Update Status"        wl-status-update t]
124     ["Exit"                 wl-exit t]
125     ))
126
127 (if wl-on-xemacs
128     (defun wl-folder-setup-mouse ()
129       (define-key wl-folder-mode-map 'button2 'wl-folder-click)
130       (define-key wl-folder-mode-map 'button4 'wl-folder-prev-entity)
131       (define-key wl-folder-mode-map 'button5 'wl-folder-next-entity)
132       (define-key wl-folder-mode-map [(shift button4)]
133         'wl-folder-prev-unread)
134       (define-key wl-folder-mode-map [(shift button5)]
135         'wl-folder-next-unread))
136   (defun wl-folder-setup-mouse ()
137     (define-key wl-folder-mode-map [mouse-2] 'wl-folder-click)
138     (define-key wl-folder-mode-map [mouse-4] 'wl-folder-prev-entity)
139     (define-key wl-folder-mode-map [mouse-5] 'wl-folder-next-entity)
140     (define-key wl-folder-mode-map [S-mouse-4] 'wl-folder-prev-unread)
141     (define-key wl-folder-mode-map [S-mouse-5] 'wl-folder-next-unread)))
142
143 (if wl-folder-mode-map
144     nil
145   (setq wl-folder-mode-map (make-sparse-keymap))
146   (define-key wl-folder-mode-map " "    'wl-folder-jump-to-current-entity)
147 ;  (define-key wl-folder-mode-map "\M- " 'wl-folder-open-close)
148   (define-key wl-folder-mode-map "/"    'wl-folder-open-close)
149   (define-key wl-folder-mode-map "\C-m" 'wl-folder-jump-to-current-entity)
150   (define-key wl-folder-mode-map [(shift return)] 'wl-folder-jump-to-current-entity-with-arg)
151   (define-key wl-folder-mode-map "\M-\C-m" 'wl-folder-update-recursive-current-entity)
152   (define-key wl-folder-mode-map "rc"    'wl-folder-mark-as-read-all-region)
153   (define-key wl-folder-mode-map "c"    'wl-folder-mark-as-read-all-current-entity)
154   (define-key wl-folder-mode-map "g"    'wl-folder-goto-folder)
155   (define-key wl-folder-mode-map "G"    'wl-folder-goto-folder-sticky)
156   (define-key wl-folder-mode-map "j"    'wl-folder-jump-to-current-entity)
157   (define-key wl-folder-mode-map "w"    'wl-draft)
158   (define-key wl-folder-mode-map "W"    'wl-folder-write-current-folder)
159   (define-key wl-folder-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
160   (define-key wl-folder-mode-map "\C-c\C-a" 'wl-addrmgr)
161   (define-key wl-folder-mode-map "\C-c\C-p" 'wl-folder-jump-to-previous-summary)
162   (define-key wl-folder-mode-map "\C-c\C-n" 'wl-folder-jump-to-next-summary)
163   (define-key wl-folder-mode-map "rS"   'wl-folder-sync-region)
164   (define-key wl-folder-mode-map "S"    'wl-folder-sync-current-entity)
165   (define-key wl-folder-mode-map "rs"   'wl-folder-check-region)
166   (define-key wl-folder-mode-map "s"    'wl-folder-check-current-entity)
167   (define-key wl-folder-mode-map "I"    'wl-folder-prefetch-current-entity)
168 ;  (define-key wl-folder-mode-map "D"    'wl-folder-drop-unsync-current-entity)
169   (define-key wl-folder-mode-map "p"    'wl-folder-prev-entity)
170   (define-key wl-folder-mode-map "n"    'wl-folder-next-entity)
171   (define-key wl-folder-mode-map "v"    'wl-folder-toggle-disp-summary)
172   (define-key wl-folder-mode-map "P"    'wl-folder-prev-unread)
173   (define-key wl-folder-mode-map "N"    'wl-folder-next-unread)
174   (define-key wl-folder-mode-map "J"    'wl-folder-jump-folder)
175   (define-key wl-folder-mode-map "f"    'wl-folder-goto-first-unread-folder)
176   (define-key wl-folder-mode-map "o"    'wl-folder-open-all-unread-folder)
177   (define-key wl-folder-mode-map "["    'wl-folder-open-all)
178   (define-key wl-folder-mode-map "]"    'wl-folder-close-all)
179   (define-key wl-folder-mode-map "e"    'wl-folder-expire-current-entity)
180   (define-key wl-folder-mode-map "E"    'wl-folder-empty-trash)
181   (define-key wl-folder-mode-map "F"    'wl-folder-flush-queue)
182   (define-key wl-folder-mode-map "V"    'wl-folder-virtual)
183   (define-key wl-folder-mode-map "?"    'wl-folder-pick)
184   (define-key wl-folder-mode-map "q"    'wl-exit)
185   (define-key wl-folder-mode-map "z"    'wl-folder-suspend)
186   (define-key wl-folder-mode-map "\M-t" 'wl-toggle-plugged)
187   (define-key wl-folder-mode-map "\C-t" 'wl-plugged-change)
188   (define-key wl-folder-mode-map "<"    'beginning-of-buffer)
189   (define-key wl-folder-mode-map ">"    'end-of-buffer)
190   ;; wl-fldmgr
191   (define-key wl-folder-mode-map "m"    'wl-fldmgr-mode-map)
192   (define-key wl-folder-mode-map "*"    'wl-fldmgr-make-multi)
193   (define-key wl-folder-mode-map "+"    'wl-fldmgr-make-group)
194   (define-key wl-folder-mode-map "|"    'wl-fldmgr-make-filter)
195   (define-key wl-folder-mode-map "\M-c" 'wl-fldmgr-copy)
196   (define-key wl-folder-mode-map "\M-w" 'wl-fldmgr-copy-region)
197   (define-key wl-folder-mode-map "\C-k" 'wl-fldmgr-cut)
198   (define-key wl-folder-mode-map "\C-w" 'wl-fldmgr-cut-region)
199   (define-key wl-folder-mode-map "\C-y" 'wl-fldmgr-yank)
200   (define-key wl-folder-mode-map "R"    'wl-fldmgr-rename)
201   (define-key wl-folder-mode-map "u"    'wl-fldmgr-unsubscribe)
202   (define-key wl-folder-mode-map "ru"   'wl-fldmgr-unsubscribe-region)
203   (define-key wl-folder-mode-map "U"    'wl-fldmgr-unsubscribe-region)
204   (define-key wl-folder-mode-map "l"    'wl-fldmgr-access-display-normal)
205   (define-key wl-folder-mode-map "L"    'wl-fldmgr-access-display-all)
206   (define-key wl-folder-mode-map "Z"    'wl-status-update)
207   (define-key wl-folder-mode-map "\C-x\C-s" 'wl-save)
208   (define-key wl-folder-mode-map "\M-s"     'wl-save)
209   (define-key wl-folder-mode-map "\C-xk"    'wl-folder-mimic-kill-buffer)
210   (define-key wl-folder-mode-map "\M-\C-a"
211     'wl-folder-goto-top-of-current-folder)
212   (define-key wl-folder-mode-map "\M-\C-e"
213     'wl-folder-goto-bottom-of-current-folder)
214
215   (wl-folder-setup-mouse)
216   (easy-menu-define
217    wl-folder-mode-menu
218    wl-folder-mode-map
219    "Menu used in Folder mode."
220    wl-folder-mode-menu-spec))
221
222 (defmacro wl-folder-unread-regex (group)
223   (` (concat "^[ ]*.+:[0-9\\*-]+/[^0\\*][0-9]*/[0-9\\*-]+$"
224              (if (, group)
225                  "\\|^[ ]*\\[[+-]\\]"
226                ""))))
227
228 (defmacro wl-folder-buffer-group-p ()
229   (` (save-excursion (beginning-of-line)
230                      (looking-at wl-folder-group-regexp))))
231
232 (defmacro wl-folder-folder-name ()
233   (` (save-excursion
234        (beginning-of-line)
235        (if (or (looking-at "^[ ]*\\[[\\+-]\\]\\(.+\\):[-0-9\\*-]+/[0-9\\*-]+/[0-9\\*-]+\n")
236                (looking-at "^[ ]*\\([^\\[].+\\):.*\n"))
237            (wl-match-buffer 1)))))
238
239 (defmacro wl-folder-entity-name ()
240   (` (save-excursion
241        (beginning-of-line)
242        (if (looking-at "^[ ]*\\([^\\[].+\\):.*\n")
243            (wl-match-buffer 1)))))
244
245 (defun wl-folder-buffer-search-group (group)
246   (re-search-forward
247    (concat
248     "^\\([ \t]*\\)\\[[\\+-]\\]"
249     (regexp-quote group) ":[-0-9-]+/[0-9-]+/[0-9-]+") nil t))
250
251 (defun wl-folder-buffer-search-entity (folder &optional searchname)
252   (let ((search (or searchname (wl-folder-get-petname folder)))
253         case-fold-search)
254     (re-search-forward
255      (concat
256       "^[ \t]*"
257       (regexp-quote search) ":[-0-9\\*-]+/[0-9\\*-]+/[0-9\\*-]+") nil t)))
258
259 (defsubst wl-folder-get-folder-name-by-id (entity-id &optional hashtb)
260   (and (numberp entity-id)
261        (elmo-get-hash-val (format "#%d" entity-id)
262                           (or hashtb wl-folder-entity-id-name-hashtb))))
263
264 (defsubst wl-folder-set-id-name (entity-id entity &optional hashtb)
265   (and (numberp entity-id)
266        (elmo-set-hash-val (format "#%d" entity-id)
267                           entity (or hashtb wl-folder-entity-id-name-hashtb))))
268
269 (defmacro wl-folder-get-entity-id (entity)
270   `(get-text-property 0 'wl-folder-entity-id ,entity))
271
272 (defmacro wl-folder-get-entity-from-buffer (&optional getid)
273   `(let ((id (get-text-property (point)
274                                 'wl-folder-entity-id)))
275      (if ,getid
276          id
277        (wl-folder-get-folder-name-by-id id))))
278
279 (defmacro wl-folder-entity-exists-p (entity &optional hashtb)
280   (` (let ((sym (intern-soft (, entity)
281                              (or (, hashtb) wl-folder-entity-hashtb))))
282        (and sym (boundp sym)))))
283
284 (defmacro wl-folder-clear-entity-info (entity &optional hashtb)
285   (` (let ((sym (intern-soft (, entity)
286                              (or (, hashtb) wl-folder-entity-hashtb))))
287        (if (boundp sym)
288            (makunbound sym)))))
289
290 (defmacro wl-folder-get-entity-info (entity &optional hashtb)
291   (` (elmo-get-hash-val (, entity) (or (, hashtb) wl-folder-entity-hashtb))))
292
293 (defmacro wl-folder-set-entity-info (entity value &optional hashtb)
294   (` (let* ((hashtb (or (, hashtb) wl-folder-entity-hashtb))
295             (info (wl-folder-get-entity-info (, entity) hashtb)))
296        (elmo-set-hash-val (elmo-string (, entity))
297                           (if (< (length (, value)) 4)
298                               (append (, value) (list (nth 3 info)))
299                             (, value))
300                           hashtb))))
301
302 (defun wl-folder-persistent-p (folder)
303   (or (and (wl-folder-search-entity-by-name folder wl-folder-entity
304                                             'folder)
305            t) ; on Folder mode.
306       (catch 'found
307         (let ((li wl-save-folder-list))
308           (while li
309             (if (string-match (car li) folder)
310                 (throw 'found t))
311             (setq li (cdr li)))))
312       (not (catch 'found
313              (let ((li wl-no-save-folder-list))
314                (while li
315                  (if (string-match (car li) folder)
316                      (throw 'found t))
317                  (setq li (cdr li))))))))
318
319 ;;; ELMO folder structure with cache.
320 (defmacro wl-folder-elmo-folder-cache-get (name &optional hashtb)
321   "Returns a elmo folder structure associated with NAME from HASHTB.
322 Default HASHTB is `wl-folder-elmo-folder-hashtb'."
323   (` (elmo-get-hash-val (, name)
324                         (or (, hashtb) wl-folder-elmo-folder-hashtb))))
325
326 (defmacro wl-folder-elmo-folder-cache-put (name folder &optional hashtb)
327   "Get folder elmo folder structure on HASHTB for folder with NAME.
328 Default HASHTB is `wl-folder-elmo-folder-hashtb'."
329   (` (elmo-set-hash-val (, name) (, folder)
330                         (or (, hashtb) wl-folder-elmo-folder-hashtb))))
331
332 (defmacro wl-folder-get-elmo-folder (entity &optional no-cache)
333   "Get elmo folder structure from entity."
334   (` (if (, no-cache)
335          (elmo-make-folder (elmo-string (, entity)))
336        (or (wl-folder-elmo-folder-cache-get (, entity))
337            (let* ((name (elmo-string (, entity)))
338                   (folder (elmo-make-folder name)))
339              (wl-folder-elmo-folder-cache-put name folder)
340              folder)))))
341
342 (defun wl-folder-prev-entity ()
343   (interactive)
344   (forward-line -1))
345
346 (defun wl-folder-next-entity ()
347   (interactive)
348   (forward-line 1))
349
350 (defun wl-folder-prev-entity-skip-invalid (&optional hereto)
351   "move to previous entity. skip unsubscribed or removed entity."
352   (interactive)
353   (if hereto
354       (end-of-line))
355   (if (re-search-backward wl-folder-entity-regexp nil t)
356       (beginning-of-line)
357     (goto-char (point-min))))
358
359 (defun wl-folder-next-entity-skip-invalid (&optional hereto)
360   "Move to next entity. skip unsubscribed or removed entity."
361   (interactive)
362   (beginning-of-line)
363   (if (not hereto)
364       (forward-line 1))
365   (if (re-search-forward wl-folder-entity-regexp nil t)
366       (beginning-of-line)
367     (goto-char (point-max))))
368
369 (defun wl-folder-search-group-entity-by-name (name entity)
370   (wl-folder-search-entity-by-name name entity 'group))
371
372 (defun wl-folder-search-entity-by-name (name entity &optional type)
373   (let ((entities (list entity))
374         entity-stack)
375     (catch 'done
376       (while entities
377         (setq entity (wl-pop entities))
378         (cond
379          ((consp entity)
380           (if (and (not (eq type 'folder))
381                    (string= name (car entity)))
382               (throw 'done entity))
383           (and entities
384                (wl-push entities entity-stack))
385           (setq entities (nth 2 entity)))
386          ((and (not (eq type 'group))
387                (stringp entity))
388           (if (string= name entity)
389               (throw 'done entity))))
390         (unless entities
391           (setq entities (wl-pop entity-stack)))))))
392
393 (defun wl-folder-search-entity-list-by-name (name entity &optional get-id)
394   (let ((entities (list entity))
395         entity-stack ret-val)
396     (while entities
397       (setq entity (wl-pop entities))
398       (cond
399        ((consp entity)
400         (and entities
401              (wl-push entities entity-stack))
402         (setq entities (nth 2 entity)))
403        ((stringp entity)
404         (if (string= name entity)
405             (wl-append ret-val (if get-id
406                                    (list (wl-folder-get-entity-id entity))
407                                  (list entity))))))
408       (unless entities
409         (setq entities (wl-pop entity-stack))))
410     ret-val))
411
412 (defun wl-folder-get-prev-folder (id &optional unread)
413   (let ((name (if (stringp id)
414                   id
415                 (wl-folder-get-folder-name-by-id id)))
416         entity entity-stack last-entity finfo
417         (entities (list wl-folder-entity)))
418     (catch 'done
419       (while entities
420         (setq entity (wl-pop entities))
421         (cond
422          ((consp entity)
423 ;;        (if (and (string= name (car entity))
424 ;;                 (eq id (wl-folder-get-entity-id (car entity))))
425 ;;            (throw 'done last-entity))
426           (and entities
427                (wl-push entities entity-stack))
428           (setq entities (nth 2 entity)))
429          ((stringp entity)
430           (if (and (string= name entity)
431                    (eq id (wl-folder-get-entity-id entity)))
432               (throw 'done last-entity))
433           (if (or (not unread)
434                   (and (setq finfo (wl-folder-get-entity-info entity))
435                        (and (nth 0 finfo)(nth 1 finfo))
436                        (> (+ (nth 0 finfo)(nth 1 finfo)) 0)))
437               (setq last-entity entity))))
438         (unless entities
439           (setq entities (wl-pop entity-stack)))))))
440
441 (defun wl-folder-get-next-folder (id &optional unread)
442   (let ((name (if (stringp id)
443                   id
444                 (wl-folder-get-folder-name-by-id id)))
445         entity entity-stack found finfo
446         (entities (list wl-folder-entity)))
447     (catch 'done
448       (while entities
449         (setq entity (wl-pop entities))
450         (cond
451          ((consp entity)
452 ;;;       (if (and (string= name (car entity))
453 ;;;                (eq id (wl-folder-get-entity-id (car entity))))
454 ;;;           (setq found t))
455           (and entities
456                (wl-push entities entity-stack))
457           (setq entities (nth 2 entity)))
458          ((stringp entity)
459           (if found
460               (when (or (not unread)
461                         (and (setq finfo (wl-folder-get-entity-info entity))
462                              (and (nth 0 finfo)(nth 1 finfo))
463                              (> (+ (nth 0 finfo)(nth 1 finfo)) 0)))
464                 (throw 'done entity))
465             (if (and (string= name entity)
466                      (eq id (wl-folder-get-entity-id entity)))
467                 (setq found t)))))
468         (unless entities
469           (setq entities (wl-pop entity-stack)))))))
470
471 (defun wl-folder-flush-queue ()
472   "Flush queue."
473   (interactive)
474   (let ((cur-buf (current-buffer))
475         (wl-auto-select-first nil)
476         (wl-plugged t)
477         emptied)
478     (if elmo-enable-disconnected-operation
479         (elmo-dop-queue-flush))
480     (if (not (elmo-folder-list-messages
481               (wl-folder-get-elmo-folder wl-queue-folder)))
482         (message "No sending queue exists.")
483       (if wl-stay-folder-window
484           (wl-folder-select-buffer
485            (wl-summary-get-buffer-create wl-queue-folder)))
486       (wl-summary-goto-folder-subr wl-queue-folder 'force-update nil)
487       (unwind-protect
488           (wl-draft-queue-flush)
489         (if (get-buffer-window cur-buf)
490             (select-window (get-buffer-window cur-buf)))
491         (set-buffer cur-buf)
492         (if wl-stay-folder-window
493             (wl-folder-toggle-disp-summary 'off wl-queue-folder)
494           (switch-to-buffer cur-buf))))))
495
496 (defun wl-folder-empty-trash ()
497   "Empty trash."
498   (interactive)
499   (let ((cur-buf (current-buffer))
500         (wl-auto-select-first nil)
501         trash-buf emptied)
502     (if wl-stay-folder-window
503         (wl-folder-select-buffer
504          (wl-summary-get-buffer-create wl-trash-folder)))
505     (wl-summary-goto-folder-subr wl-trash-folder 'force-update nil nil t)
506     (setq trash-buf (current-buffer))
507     (unwind-protect
508         (setq emptied (wl-summary-delete-all-msgs))
509       (when emptied
510         (setq wl-thread-entities nil
511               wl-thread-entity-list nil)
512         (if wl-summary-cache-use (wl-summary-save-view-cache))
513         (elmo-folder-commit wl-summary-buffer-elmo-folder))
514       (if (get-buffer-window cur-buf)
515           (select-window (get-buffer-window cur-buf)))
516       (set-buffer cur-buf)
517       (if emptied
518           (wl-folder-set-folder-updated wl-trash-folder '(0 0 0)))
519       (if wl-stay-folder-window
520           (wl-folder-toggle-disp-summary 'off wl-trash-folder)
521         (switch-to-buffer cur-buf))
522       (and trash-buf
523            (kill-buffer trash-buf)))))
524
525 (defun wl-folder-goto-top-of-current-folder (&optional arg)
526   "Move backward to the top of the current folder group.
527 Optional argument ARG is repeart count."
528   (interactive "P")
529   (if (re-search-backward
530        "^ *\\[[\\+-]\\]" nil t (if arg (prefix-numeric-value arg)))
531       (beginning-of-line)
532     (goto-char (point-min))))
533
534 (defun wl-folder-goto-bottom-of-current-folder (indent)
535   "Move forward to the bottom of the current folder group."
536   (interactive
537    (let ((indent
538           (save-excursion
539             (beginning-of-line)
540             (if (looking-at "^ *")
541                 (buffer-substring (match-beginning 0)(1- (match-end 0)))
542               ""))))
543      (list indent)))
544   (if (catch 'done
545         (while (re-search-forward "^ *" nil t)
546           (if (<= (length (match-string 0))
547                   (length indent))
548               (throw 'done nil)))
549         (throw 'done t))
550       (goto-char (point-max))))
551
552 (defsubst wl-folder-update-group (entity diffs &optional is-group)
553   (save-excursion
554     (let ((path (wl-folder-get-path
555                  wl-folder-entity
556                  (wl-folder-get-entity-id entity)
557                  entity)))
558       (if (not is-group)
559           ;; delete itself from path
560           (setq path (delete (nth (- (length path) 1) path) path)))
561       (goto-char (point-min))
562       (catch 'done
563         (while path
564           ;; goto the path line.
565           (if (or (eq (car path) 0) ; update desktop
566                   (wl-folder-buffer-search-group
567                    (wl-folder-get-petname
568                     (if (stringp (car path))
569                         (car path)
570                       (wl-folder-get-folder-name-by-id
571                        (car path))))))
572               ;; update it.
573               (wl-folder-update-diff-line diffs)
574             (throw 'done t))
575           (setq path (cdr path)))))))
576
577 (defun wl-folder-maybe-load-folder-list (entity)
578   (when (null (caddr entity))
579     (setcdr (cdr entity)
580             (elmo-msgdb-flist-load (car entity)))
581     (when (cddr entity)
582       (let (diffs)
583         (save-excursion
584           (wl-folder-entity-assign-id entity
585                                       wl-folder-entity-id-name-hashtb
586                                       t)
587           (setq diffs (wl-fldmgr-add-entity-hashtb (list entity)))
588           (unless (equal diffs '(0 0 0))
589             (wl-folder-update-group (car entity) diffs t)))))))
590
591 (defsubst wl-folder-force-fetch-p (entity)
592   (cond
593    ((consp wl-force-fetch-folders)
594     (wl-string-match-member entity wl-force-fetch-folders))
595    (t
596     wl-force-fetch-folders)))
597
598 (defun wl-folder-jump-to-current-entity-with-arg ()
599   (interactive)
600   (wl-folder-jump-to-current-entity t))
601
602 (defun wl-folder-jump-to-current-entity (&optional arg)
603   "Enter the current folder.  If optional ARG exists, update folder list."
604   (interactive "P")
605   (beginning-of-line)
606   (let (entity beg end indent opened fname err fld-name)
607     (cond
608      ((looking-at wl-folder-group-regexp)
609       (save-excursion
610         (setq fname (wl-folder-get-realname (wl-match-buffer 3)))
611         (setq indent (wl-match-buffer 1))
612         (setq opened (wl-match-buffer 2))
613         (if (string= opened "+")
614             (progn
615               (setq entity (wl-folder-search-group-entity-by-name
616                             fname
617                             wl-folder-entity))
618               (setq beg (point))
619               (if arg
620                   (wl-folder-update-recursive-current-entity entity)
621                 ;; insert as opened
622                 (setcdr (assoc (car entity) wl-folder-group-alist) t)
623                 (if (eq 'access (cadr entity))
624                     (wl-folder-maybe-load-folder-list entity))
625                 ;(condition-case errobj
626                     (progn
627                       (if (or (wl-folder-force-fetch-p (car entity))
628                               (and
629                                (eq 'access (cadr entity))
630                                (null (caddr entity))))
631                           (wl-folder-update-newest indent entity)
632                         (wl-folder-insert-entity indent entity))
633                       (wl-highlight-folder-path wl-folder-buffer-cur-path))
634                  ; (quit
635                  ;  (setq err t)
636                  ;  (setcdr (assoc fname wl-folder-group-alist) nil))
637                  ; (error
638                  ;  (elmo-display-error errobj t)
639                  ;  (ding)
640                  ;  (setq err t)
641                  ;  (setcdr (assoc fname wl-folder-group-alist) nil)))
642                 (if (not err)
643                     (let ((buffer-read-only nil))
644                       (delete-region (save-excursion (beginning-of-line)
645                                                      (point))
646                                      (save-excursion (end-of-line)
647                                                      (+ 1 (point))))))))
648           (setq beg (point))
649           (end-of-line)
650           (save-match-data
651             (setq end
652                   (progn (wl-folder-goto-bottom-of-current-folder indent)
653                          (beginning-of-line)
654                          (point))))
655           (setq entity (wl-folder-search-group-entity-by-name
656                         fname
657                         wl-folder-entity))
658           (let ((buffer-read-only nil))
659             (delete-region beg end))
660           (setcdr (assoc (car entity) wl-folder-group-alist) nil)
661           (wl-folder-insert-entity indent entity) ; insert entity
662           (forward-line -1)
663           (wl-highlight-folder-path wl-folder-buffer-cur-path)
664 ;         (wl-delete-all-overlays)
665 ;         (wl-highlight-folder-current-line)
666           )))
667      ((setq fld-name (wl-folder-entity-name))
668       (wl-folder-set-current-entity-id
669        (get-text-property (point) 'wl-folder-entity-id))
670       (setq fld-name (wl-folder-get-folder-name-by-id
671                       wl-folder-buffer-cur-entity-id))
672       (let ((summary-buf (wl-summary-get-buffer-create fld-name arg))
673             error-selecting)
674         (if (or wl-stay-folder-window wl-summary-use-frame)
675             (wl-folder-select-buffer summary-buf)
676           (if (and summary-buf
677                    (get-buffer-window summary-buf))
678               (delete-window)))
679         (wl-summary-goto-folder-subr fld-name
680                                      (wl-summary-get-sync-range
681                                       (wl-folder-get-elmo-folder fld-name))
682                                      nil arg t)))))
683   (set-buffer-modified-p nil))
684
685 (defun wl-folder-close-entity (entity)
686   (let ((entities (list entity))
687         entity-stack)
688     (while entities
689       (setq entity (wl-pop entities))
690       (cond
691        ((consp entity)
692         (setcdr (assoc (car entity) wl-folder-group-alist) nil)
693         (and entities
694              (wl-push entities entity-stack))
695         (setq entities (nth 2 entity))))
696       (unless entities
697         (setq entities (wl-pop entity-stack))))))
698
699 (defun wl-folder-update-recursive-current-entity (&optional entity)
700   (interactive)
701   (when (wl-folder-buffer-group-p)
702     (cond
703      ((string= (wl-match-buffer 2) "+")
704       (save-excursion
705         (if entity ()
706           (setq entity
707                 (wl-folder-search-group-entity-by-name
708                  (wl-folder-get-realname (wl-match-buffer 3))
709                  wl-folder-entity)))
710         (let ((inhibit-read-only t)
711               (entities (list entity))
712               entity-stack err indent)
713           (while (and entities (not err))
714             (setq entity (wl-pop entities))
715             (cond
716              ((consp entity)
717               (wl-folder-close-entity entity)
718               (setcdr (assoc (car entity) wl-folder-group-alist) t)
719               (unless (wl-folder-buffer-search-group
720                        (wl-folder-get-petname (car entity)))
721                 (error "%s: not found group" (car entity)))
722               (setq indent (wl-match-buffer 1))
723               (if (eq 'access (cadr entity))
724                   (wl-folder-maybe-load-folder-list entity))
725               (beginning-of-line)
726               (setq err nil)
727               (save-excursion
728                 (condition-case errobj
729                     (wl-folder-update-newest indent entity)
730                   (quit
731                    (setq err t)
732                    (setcdr (assoc (car entity) wl-folder-group-alist) nil))
733                   (error
734                    (elmo-display-error errobj t)
735                    (ding)
736                    (setq err t)
737                    (setcdr (assoc (car entity) wl-folder-group-alist) nil)))
738                 (if (not err)
739                     (delete-region (save-excursion (beginning-of-line)
740                                                    (point))
741                                    (save-excursion (end-of-line)
742                                                    (+ 1 (point))))))
743               ;;
744               (and entities
745                    (wl-push entities entity-stack))
746               (setq entities (nth 2 entity))))
747             (unless entities
748               (setq entities (wl-pop entity-stack)))))
749         (set-buffer-modified-p nil)))
750      (t
751       (wl-folder-jump-to-current-entity)))))
752
753 (defun wl-folder-no-auto-check-folder-p (folder)
754   (if (stringp folder)
755       (if (catch 'found
756             (let ((li wl-auto-check-folder-list))
757               (while li
758                 (if (string-match (car li) folder)
759                     (throw 'found t))
760                 (setq li (cdr li)))))
761           nil
762         (catch 'found
763           (let ((li wl-auto-uncheck-folder-list))
764             (while li
765               (if (string-match (car li) folder)
766                   (throw 'found t))     ; no check!
767               (setq li (cdr li))))))))
768
769 (defsubst wl-folder-add-folder-info (pre-value value)
770   (list
771    (+ (or (nth 0 pre-value) 0) (or (nth 0 value) 0))
772    (+ (or (nth 1 pre-value) 0) (or (nth 1 value) 0))
773    (+ (or (nth 2 pre-value) 0) (or (nth 2 value) 0))))
774
775 (defun wl-folder-check-entity (entity &optional auto)
776   "Check unsync message number."
777   (let ((start-pos (point))
778         ret-val)
779     (run-hooks 'wl-folder-check-entity-pre-hook)
780     (if (and (consp entity)             ;; group entity
781              wl-folder-check-async)     ;; very fast
782         (setq ret-val (wl-folder-check-entity-async entity auto))
783       (save-excursion
784         (cond
785          ((consp entity)
786           (let ((flist (if auto
787                            (elmo-delete-if
788                             'wl-folder-no-auto-check-folder-p
789                             (nth 2 entity))
790                          (nth 2 entity)))
791                 (wl-folder-check-entity-pre-hook nil)
792                 (wl-folder-check-entity-hook nil)
793                 new unread all)
794             (while flist
795               (setq ret-val
796                     (wl-folder-add-folder-info
797                      ret-val
798                      (wl-folder-check-entity (car flist))))
799               (setq flist (cdr flist)))
800             ;(wl-folder-buffer-search-entity (car entity))
801             ;(wl-folder-update-line ret-val)
802             ))
803          ((stringp entity)
804           (message "Checking \"%s\"" entity)
805           (setq ret-val (wl-folder-check-one-entity
806                          entity))
807           (goto-char start-pos)
808           (sit-for 0))
809          (t
810           (message "Uncheck(unplugged) \"%s\"" entity)))))
811     (if ret-val
812         (message "Checking \"%s\" is done."
813                  (if (consp entity) (car entity) entity)))
814     (run-hooks 'wl-folder-check-entity-hook)
815     ret-val))
816
817 (defun wl-folder-check-one-entity (entity &optional biff)
818   (let* ((folder (wl-folder-get-elmo-folder entity biff))
819          (nums ;(condition-case err
820                    (progn
821                      (if biff (elmo-folder-set-biff-internal folder t))
822                      (if (wl-string-match-member entity wl-strict-diff-folders)
823                          (elmo-strict-folder-diff folder)
824                        (elmo-folder-diff folder)))
825                 ; (error
826                   ;; maybe not exist folder.
827                 ;  (if (and (not (memq 'elmo-open-error
828                 ;                     (get (car err) 'error-conditions)))
829                 ;          (not (elmo-folder-exists-p folder)))
830                 ;      (wl-folder-create-subr folder)
831                 ;    (signal (car err) (cdr err))))))
832                    )
833          (new    (elmo-diff-new nums))
834          (unread (elmo-diff-unread nums))
835          (all    (elmo-diff-all nums))
836          unsync nomif)
837     (if (and (eq wl-folder-notify-deleted 'sync)
838              (or (and new    (> 0 new))
839                  (and unread (> 0 unread))
840                  (and all    (> 0 all))))
841         (progn
842           (wl-folder-sync-entity entity)
843           (setq nums (elmo-folder-diff folder)
844                 new    (elmo-diff-new nums)
845                 unread (elmo-diff-unread nums)
846                 all    (elmo-diff-all nums)))
847       (unless wl-folder-notify-deleted
848         (setq new    (and new    (max 0 new))
849               unread (and unread (max 0 unread))
850               all    (and all    (max 0 all))))
851       (setq unread (or (and unread (- unread (or new 0)))
852                        (elmo-folder-get-info-unread folder)
853                        (cdr (wl-summary-count-unread))))
854       (wl-folder-entity-hashtb-set wl-folder-entity-hashtb entity
855                                    (list new unread all)
856                                    (get-buffer wl-folder-buffer-name)))
857     (setq wl-folder-info-alist-modified t)
858     (sit-for 0)
859     (list new unread all)))
860
861 (defun wl-folder-check-entity-async (entity &optional auto)
862   (let ((elmo-nntp-groups-async t)
863         (elist (if auto
864                    (elmo-delete-if
865                     'wl-folder-no-auto-check-folder-p
866                     (wl-folder-get-entity-list entity))
867                  (wl-folder-get-entity-list entity)))
868         (nntp-connection-keys nil)
869         name folder folder-list
870         sync-folder-list
871         async-folder-list
872         server
873         ret-val)
874     (while elist
875       (setq folder (wl-folder-get-elmo-folder (car elist)))
876       (if (not (elmo-folder-plugged-p folder))
877           (message "Uncheck \"%s\"" (car elist))
878         (setq folder-list
879               (elmo-folder-get-primitive-list folder))
880         (cond ((elmo-folder-contains-type folder 'nntp)
881                (wl-append async-folder-list (list folder))
882                (while folder-list
883                  (when (eq (elmo-folder-type-internal (car folder-list))
884                            'nntp)
885                    (when (not (string=
886                                server
887                                (elmo-net-folder-server-internal
888                                 (car folder-list))))
889                      (setq server (elmo-net-folder-server-internal
890                                    (car folder-list)))
891                      (message "Checking on \"%s\"" server))
892                    (setq nntp-connection-keys
893                          (elmo-nntp-get-folders-info-prepare
894                           (car folder-list)
895                           nntp-connection-keys)))
896                  (setq folder-list (cdr folder-list))))
897               (t
898                (wl-append sync-folder-list (list folder)))))
899       (setq elist (cdr elist)))
900     ;; check local entity at first
901     (while (setq folder (pop sync-folder-list))
902       (if (not (elmo-folder-plugged-p folder))
903           (message "Uncheck \"%s\"" (elmo-folder-name-internal folder))
904         (message "Checking \"%s\"" (elmo-folder-name-internal folder))
905         (setq ret-val
906               (wl-folder-add-folder-info
907                ret-val
908                (wl-folder-check-one-entity (elmo-folder-name-internal
909                                             folder))))
910         ;;(sit-for 0)
911         ))
912     ;; check network entity at last
913     (when async-folder-list
914       (elmo-nntp-get-folders-info nntp-connection-keys)
915       (while (setq folder (pop async-folder-list))
916         (if (not (elmo-folder-plugged-p folder))
917             (message "Uncheck \"%s\"" (elmo-folder-name-internal folder))
918           (message "Checking \"%s\"" (elmo-folder-name-internal folder))
919           (setq ret-val
920                 (wl-folder-add-folder-info
921                  ret-val
922                  (wl-folder-check-one-entity (elmo-folder-name-internal
923                                               folder))))
924           ;;(sit-for 0)
925           )))
926     ret-val))
927
928 ;;
929 (defun wl-folder-resume-entity-hashtb-by-finfo (entity-hashtb info-alist)
930   "Resume unread info for entity alist."
931   (let (info)
932     (while info-alist
933       (setq info (nth 1 (car info-alist)))
934       (wl-folder-set-entity-info (caar info-alist)
935                                  (list (nth 2 info)(nth 3 info)(nth 1 info))
936                                  entity-hashtb)
937       (setq info-alist (cdr info-alist)))))
938
939 (defun wl-folder-move-path (path)
940   (let ((fp (if (consp path)
941                 path
942               ;; path is entity-id
943               (wl-folder-get-path wl-folder-entity path))))
944     (goto-char (point-min))
945     (while (and fp
946                 (not (eobp)))
947       (when (equal (car fp)
948                    (wl-folder-get-entity-from-buffer t))
949         (setq fp (cdr fp))
950         (setq wl-folder-buffer-cur-point (point)))
951       (forward-line 1))
952     (and wl-folder-buffer-cur-point
953          (goto-char wl-folder-buffer-cur-point))))
954
955 (defun wl-folder-set-current-entity-id (entity-id)
956   (let ((buf (get-buffer wl-folder-buffer-name)))
957     (if buf
958         (save-excursion
959           (set-buffer buf)
960           (setq wl-folder-buffer-cur-entity-id entity-id)
961           (setq wl-folder-buffer-cur-path (wl-folder-get-path wl-folder-entity
962                                                               entity-id))
963           (wl-highlight-folder-path wl-folder-buffer-cur-path)
964           (and wl-folder-move-cur-folder
965                wl-folder-buffer-cur-point
966                (goto-char wl-folder-buffer-cur-point))))
967     (if (eq (current-buffer) buf)
968         (and wl-folder-move-cur-folder
969              wl-folder-buffer-cur-point
970              (goto-char wl-folder-buffer-cur-point)))))
971
972 (defun wl-folder-check-current-entity ()
973   "Check folder at position.
974 If current line is group folder, check all sub entries."
975   (interactive)
976   (let* ((entity-name (wl-folder-get-entity-from-buffer))
977          (group (wl-folder-buffer-group-p))
978          (desktop (string= entity-name wl-folder-desktop-name)))
979     (when entity-name
980       (wl-folder-check-entity
981        (if group
982            (wl-folder-search-group-entity-by-name entity-name
983                                                   wl-folder-entity)
984          entity-name)
985        desktop))))
986
987 (defun wl-folder-sync-entity (entity &optional unread-only)
988   "Synchronize the msgdb of ENTITY."
989   (cond
990    ((consp entity)
991     (let ((flist (nth 2 entity)))
992       (while flist
993         (wl-folder-sync-entity (car flist) unread-only)
994         (setq flist (cdr flist)))))
995    ((stringp entity)
996     (let* ((folder (wl-folder-get-elmo-folder entity))
997            (nums (wl-folder-get-entity-info entity))
998            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
999                                          (wl-summary-always-sticky-folder-p
1000                                           folder))
1001                                      wl-summary-highlight))
1002            wl-auto-select-first new unread sticky)
1003       (setq new (or (car nums) 0))
1004       (setq unread (or (cadr nums) 0))
1005       (if (or (not unread-only)
1006               (or (< 0 new) (< 0 unread)))
1007           (let ((wl-summary-buffer-name
1008                  (if (setq sticky (get-buffer (wl-summary-sticky-buffer-name
1009                                                (elmo-folder-name-internal
1010                                                 folder))))
1011                      ;; Sticky folder exists.
1012                      (wl-summary-sticky-buffer-name
1013                       (elmo-folder-name-internal folder))
1014                    (concat
1015                     wl-summary-buffer-name
1016                     (symbol-name this-command))))
1017                 (wl-summary-use-frame nil)
1018                 (wl-summary-always-sticky-folder-list nil))
1019             (save-window-excursion
1020               (save-excursion
1021                 (wl-summary-goto-folder-subr entity
1022                                              (wl-summary-get-sync-range
1023                                               folder)
1024                                              nil nil nil t)
1025                 (if sticky
1026                     (wl-summary-save-status)
1027                   (wl-summary-exit))))))))))
1028
1029 (defun wl-folder-sync-current-entity (&optional unread-only)
1030   "Synchronize the folder at position.
1031 If current line is group folder, check all subfolders."
1032   (interactive "P")
1033   (save-excursion
1034     (let ((entity-name (wl-folder-get-entity-from-buffer))
1035           (group (wl-folder-buffer-group-p)))
1036       (when (and entity-name
1037                  (y-or-n-p (format "Sync %s? " entity-name)))
1038         (wl-folder-sync-entity
1039          (if group
1040              (wl-folder-search-group-entity-by-name entity-name
1041                                                     wl-folder-entity)
1042            entity-name)
1043          unread-only)
1044         (message "Syncing %s is done!" entity-name)))))
1045
1046 (defun wl-folder-mark-as-read-all-entity (entity)
1047   "Mark as read all messages in the ENTITY."
1048   (cond
1049    ((consp entity)
1050     (let ((flist (nth 2 entity)))
1051       (while flist
1052         (wl-folder-mark-as-read-all-entity (car flist))
1053         (setq flist (cdr flist)))))
1054    ((stringp entity)
1055     (let* ((nums (wl-folder-get-entity-info entity))
1056            (folder (wl-folder-get-elmo-folder entity))
1057            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
1058                                          (wl-summary-always-sticky-folder-p
1059                                           folder))
1060                                      wl-summary-highlight))
1061            wl-auto-select-first new unread sticky)
1062       (setq new (or (car nums) 0))
1063       (setq unread (or (cadr nums) 0))
1064       (if (or (< 0 new) (< 0 unread))
1065           (save-window-excursion
1066             (save-excursion
1067               (let ((wl-summary-buffer-name
1068                      (if (setq sticky (get-buffer
1069                                        (wl-summary-sticky-buffer-name
1070                                         (elmo-folder-name-internal
1071                                          folder))))
1072                          ;; Sticky folder exists.
1073                          (wl-summary-sticky-buffer-name
1074                           (elmo-folder-name-internal folder))
1075                        (concat
1076                         wl-summary-buffer-name
1077                         (symbol-name this-command))))
1078                     (wl-summary-use-frame nil)
1079                     (wl-summary-always-sticky-folder-list nil))
1080                 (wl-summary-goto-folder-subr entity
1081                                              (wl-summary-get-sync-range folder)
1082                                              nil)
1083                 (wl-summary-mark-as-read-all)
1084                 (if sticky
1085                     (wl-summary-save-status)
1086                   (wl-summary-exit)))))
1087         (sit-for 0))))))
1088
1089 (defun wl-folder-mark-as-read-all-current-entity ()
1090   "Mark as read all messages in the folder at position.
1091 If current line is group folder, all subfolders are marked."
1092   (interactive)
1093   (save-excursion
1094     (let ((entity-name (wl-folder-get-entity-from-buffer))
1095           (group (wl-folder-buffer-group-p))
1096           summary-buf)
1097       (when (and entity-name
1098                  (y-or-n-p (format "Mark all messages in %s as read? " entity-name)))
1099         (wl-folder-mark-as-read-all-entity
1100          (if group
1101              (wl-folder-search-group-entity-by-name entity-name
1102                                                     wl-folder-entity)
1103            entity-name))
1104         (message "All messages in %s are marked!" entity-name)))))
1105
1106 (defun wl-folder-check-region (beg end)
1107   (interactive "r")
1108   (goto-char beg)
1109   (beginning-of-line)
1110   (setq beg (point))
1111   (goto-char end)
1112   (beginning-of-line)
1113   (setq end (point))
1114   (goto-char beg)
1115   (let ((inhibit-read-only t)
1116         entity)
1117     (while (< (point) end)
1118       ;; normal folder entity
1119       (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1120           (save-excursion
1121             (setq entity (wl-folder-get-entity-from-buffer))
1122             (if (not (elmo-folder-plugged-p (wl-folder-get-elmo-folder
1123                                              entity)))
1124                 (message "Uncheck %s" entity)
1125               (message "Checking %s" entity)
1126               (wl-folder-check-one-entity entity)
1127               (sit-for 0))))
1128       (forward-line 1)))
1129   (message ""))
1130
1131 (defun wl-folder-sync-region (beg end)
1132   (interactive "r")
1133   (goto-char beg)
1134   (beginning-of-line)
1135   (setq beg (point))
1136   (goto-char end)
1137   (end-of-line)
1138   (setq end (point))
1139   (goto-char beg)
1140   (while (< (point) end)
1141     ;; normal folder entity
1142     (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1143         (save-excursion
1144           (let ((inhibit-read-only t)
1145                 entity)
1146             (setq entity (wl-folder-get-entity-from-buffer))
1147             (wl-folder-sync-entity entity)
1148             (message "Syncing %s is done!" entity)
1149             (sit-for 0))))
1150     (forward-line 1))
1151   (message ""))
1152
1153 (defun wl-folder-mark-as-read-all-region (beg end)
1154   (interactive "r")
1155   (goto-char beg)
1156   (beginning-of-line)
1157   (setq beg (point))
1158   (goto-char end)
1159   (end-of-line)
1160   (setq end (point))
1161   (goto-char beg)
1162   (while (< (point) end)
1163     ;; normal folder entity
1164     (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1165         (save-excursion
1166           (let ((inhibit-read-only t)
1167                 entity)
1168             (setq entity (wl-folder-get-entity-from-buffer))
1169             (wl-folder-mark-as-read-all-entity entity)
1170             (message "All messages in %s are marked!" entity)
1171             (sit-for 0))))
1172     (forward-line 1))
1173   (message ""))
1174
1175 (defsubst wl-create-access-init-load-p (folder)
1176   (let ((no-load-regexp (when (and
1177                                (not wl-folder-init-load-access-folders)
1178                                wl-folder-init-no-load-access-folders)
1179                           (mapconcat 'identity
1180                                      wl-folder-init-no-load-access-folders
1181                                      "\\|")))
1182         (load-regexp (and wl-folder-init-load-access-folders
1183                           (mapconcat 'identity
1184                                      wl-folder-init-load-access-folders
1185                                      "\\|"))))
1186     (cond (load-regexp (string-match load-regexp folder))
1187           (t (not (and no-load-regexp
1188                        (string-match no-load-regexp folder)))))))
1189
1190 (defun wl-create-access-folder-entity (name)
1191   (let (flists flist)
1192     (when (wl-create-access-init-load-p name)
1193       (setq flists (elmo-msgdb-flist-load name)) ; load flist.
1194       (setq flist (car flists))
1195       (while flist
1196         (when (consp (car flist))
1197           (setcdr (cdar flist)
1198                   (wl-create-access-folder-entity (caar flist))))
1199         (setq flist (cdr flist)))
1200       flists)))
1201
1202 (defun wl-create-folder-entity-from-buffer ()
1203   "Create folder entity recursively."
1204   (cond
1205    ((looking-at "^[ \t]*$")             ; blank line
1206     (goto-char (+ 1(match-end 0)))
1207     'ignore)
1208    ((looking-at "^#.*$")                ; comment
1209     (goto-char (+ 1 (match-end 0)))
1210     'ignore)
1211    ((looking-at "^[\t ]*\\(.+\\)[\t ]*{[\t ]*$") ; group definition
1212     (let (name entity flist)
1213       (setq name (wl-match-buffer 1))
1214       (goto-char (+ 1 (match-end 0)))
1215       (while (setq entity (wl-create-folder-entity-from-buffer))
1216         (unless (eq entity 'ignore)
1217           (wl-append flist (list entity))))
1218       (if (looking-at "^[\t ]*}[\t ]*$") ; end of group
1219           (progn
1220             (goto-char (+ 1 (match-end 0)))
1221             (if (wl-string-assoc name wl-folder-petname-alist)
1222                 (error "%s already defined as petname" name))
1223             (list name 'group flist))
1224         (error "Syntax error in folder definition"))))
1225    ((looking-at "^[\t ]*\\([^\t \n]+\\)[\t ]*/$") ; access it!
1226     (let (name)
1227       (setq name (wl-match-buffer 1))
1228       (goto-char (+ 1 (match-end 0)))
1229 ;      (condition-case ()
1230 ;         (unwind-protect
1231 ;             (setq flist (elmo-list-folders name)))
1232 ;       (error (message "Access to folder %s failed." name)))
1233 ;;       (setq flist (elmo-msgdb-flist-load name)) ; load flist.
1234 ;;       (setq unsublist (nth 1 flist))
1235 ;;       (setq flist (car flist))
1236 ;;       (list name 'access flist unsublist)))
1237       (append (list name 'access) (wl-create-access-folder-entity name))))
1238    ;((looking-at "^[\t ]*\\([^\t \n}]+\\)[\t ]*\\(\"[^\"]*\"\\)?[\t ]*$") ; normal folder entity
1239    ((looking-at "^[\t ]*=[ \t]+\\([^\n]+\\)$"); petname definition
1240     (goto-char (+ 1 (match-end 0)))
1241     (let ((rest (elmo-match-buffer 1))
1242           petname)
1243       (when (string-match "\\(\"[^\"]*\"\\)[\t ]*$" rest)
1244         (setq petname (elmo-delete-char ?\" (elmo-match-string 1 rest)))
1245         (setq rest (substring rest 0 (match-beginning 0))))
1246       (when (string-match "^[\t ]*\\(.*[^\t ]+\\)[\t ]+$" rest)
1247         (wl-folder-append-petname (elmo-match-string 1 rest)
1248                                   petname))
1249       'ignore))
1250    ((looking-at "^[ \t]*}[ \t]*$") ; end of group
1251     nil)
1252    ((looking-at "^.*$") ; normal folder entity
1253     (goto-char (+ 1 (match-end 0)))
1254     (let ((rest (elmo-match-buffer 0))
1255           realname petname)
1256       (if (string-match "\\(\"[^\"]*\"\\)[\t ]*$" rest)
1257           (progn
1258             (setq petname (elmo-delete-char ?\" (elmo-match-string 1 rest)))
1259             (setq rest (substring rest 0 (match-beginning 0)))
1260             (when (string-match "^[\t ]*\\(.*[^\t ]+\\)[\t ]+$" rest)
1261               (wl-folder-append-petname
1262                (setq realname (elmo-match-string 1 rest))
1263                petname)
1264               realname))
1265         (if (string-match "^[\t ]*\\(.+\\)$" rest)
1266             (elmo-match-string 1 rest)
1267           rest))))))
1268
1269 (defun wl-folder-create-folder-entity ()
1270   "Create folder entries."
1271   (let ((tmp-buf (get-buffer-create " *wl-folder-tmp*"))
1272         entity ret-val)
1273     (condition-case ()
1274         (progn
1275           (with-current-buffer tmp-buf
1276             (erase-buffer)
1277             (insert-file-contents wl-folders-file)
1278             (goto-char (point-min))
1279             (while (and (not (eobp))
1280                         (setq entity (wl-create-folder-entity-from-buffer)))
1281               (unless (eq entity 'ignore)
1282                 (wl-append ret-val (list entity)))))
1283           (kill-buffer tmp-buf))
1284       (file-error nil))
1285     (setq ret-val (list wl-folder-desktop-name 'group ret-val))))
1286
1287 (defun wl-folder-entity-assign-id (entity &optional hashtb on-noid)
1288   (let ((hashtb (or hashtb
1289                     (setq wl-folder-entity-id-name-hashtb
1290                           (elmo-make-hash wl-folder-entity-id))))
1291         (entities (list entity))
1292         entity-stack)
1293     (while entities
1294       (setq entity (wl-pop entities))
1295       (cond
1296        ((consp entity)
1297         (when (not (and on-noid
1298                         (get-text-property 0
1299                                            'wl-folder-entity-id
1300                                            (car entity))))
1301           (put-text-property 0 (length (car entity))
1302                              'wl-folder-entity-id
1303                              wl-folder-entity-id
1304                              (car entity))
1305           (wl-folder-set-id-name wl-folder-entity-id
1306                                  (car entity) hashtb))
1307         (and entities
1308              (wl-push entities entity-stack))
1309         (setq entities (nth 2 entity)))
1310        ((stringp entity)
1311         (when (not (and on-noid
1312                         (get-text-property 0
1313                                            'wl-folder-entity-id
1314                                            entity)))
1315           (put-text-property 0 (length entity)
1316                              'wl-folder-entity-id
1317                              wl-folder-entity-id
1318                              entity)
1319           (wl-folder-set-id-name wl-folder-entity-id
1320                                  entity hashtb))))
1321       (setq wl-folder-entity-id (+ 1 wl-folder-entity-id))
1322       (unless entities
1323         (setq entities (wl-pop entity-stack))))))
1324
1325 (defun wl-folder-click (e)
1326   (interactive "e")
1327   (mouse-set-point e)
1328   (beginning-of-line)
1329   (save-excursion
1330     (wl-folder-jump-to-current-entity)))
1331
1332 (defun wl-folder-select-buffer (buffer)
1333   (let ((gbw (get-buffer-window buffer))
1334         exists)
1335     (if gbw
1336         (progn (select-window gbw)
1337                (setq exists t))
1338       (unless wl-summary-use-frame
1339         (condition-case ()
1340             (unwind-protect
1341                 (split-window-horizontally wl-folder-window-width)
1342               (other-window 1))
1343           (error nil))))
1344     (set-buffer buffer)
1345     (if wl-summary-use-frame
1346         (switch-to-buffer-other-frame buffer)
1347       (switch-to-buffer buffer))
1348     exists))
1349
1350 (defun wl-folder-toggle-disp-summary (&optional arg folder)
1351   (interactive)
1352   (if (or (and folder (assoc folder wl-folder-group-alist))
1353           (and (interactive-p) (wl-folder-buffer-group-p)))
1354       (error "This command is not available on Group"))
1355   (beginning-of-line)
1356   (let (wl-auto-select-first
1357         (wl-stay-folder-window t))
1358     (cond
1359      ((eq arg 'on)
1360       (setq wl-folder-buffer-disp-summary t))
1361      ((eq arg 'off)
1362       (setq wl-folder-buffer-disp-summary nil)
1363       ;; hide wl-summary window.
1364       (let ((cur-buf (current-buffer))
1365             (summary-buffer (wl-summary-get-buffer folder)))
1366         (wl-folder-select-buffer summary-buffer)
1367         (delete-window)
1368         (select-window (get-buffer-window cur-buf))))
1369      (t
1370       (setq wl-folder-buffer-disp-summary
1371             (not wl-folder-buffer-disp-summary))
1372       (let ((cur-buf (current-buffer))
1373             folder-name)
1374         (when (looking-at "^[ ]*\\([^\\[].+\\):.*\n")
1375           (setq folder-name (wl-folder-get-entity-from-buffer))
1376           (if wl-folder-buffer-disp-summary
1377               (progn
1378                 (wl-folder-select-buffer
1379                  (wl-summary-get-buffer-create folder-name))
1380                 (unwind-protect
1381                     (wl-summary-goto-folder-subr folder-name 'no-sync nil)
1382                   (select-window (get-buffer-window cur-buf))))
1383             (wl-folder-select-buffer (wl-summary-get-buffer folder-name))
1384             (delete-window)
1385             (select-window (get-buffer-window cur-buf)))))))))
1386
1387 (defun wl-folder-prev-unsync ()
1388   "Move cursor to the previous unsync folder."
1389   (interactive)
1390   (let (start-point)
1391     (setq start-point (point))
1392     (beginning-of-line)
1393     (if (re-search-backward wl-folder-unsync-regexp nil t)
1394         (beginning-of-line)
1395       (goto-char start-point)
1396       (message "No more unsync folder"))))
1397
1398 (defun wl-folder-next-unsync (&optional plugged)
1399   "Move cursor to the next unsync."
1400   (interactive)
1401   (let (start-point entity)
1402     (setq start-point (point))
1403     (end-of-line)
1404     (if (catch 'found
1405           (while (re-search-forward wl-folder-unsync-regexp nil t)
1406             (if (or (wl-folder-buffer-group-p)
1407                     (not plugged)
1408                     (setq entity
1409                           (wl-folder-get-realname
1410                            (wl-folder-folder-name)))
1411                     (elmo-folder-plugged-p entity))
1412                 (throw 'found t))))
1413         (beginning-of-line)
1414       (goto-char start-point)
1415       (message "No more unsync folder"))))
1416
1417 (defun wl-folder-prev-unread (&optional group)
1418   "Move cursor to the previous unread folder."
1419   (interactive "P")
1420   (let (start-point)
1421     (setq start-point (point))
1422     (beginning-of-line)
1423     (if (re-search-backward (wl-folder-unread-regex group) nil t)
1424         (progn
1425           (beginning-of-line)
1426           (wl-folder-folder-name))
1427       (goto-char start-point)
1428       (message "No more unread folder")
1429       nil)))
1430
1431 (defun wl-folder-next-unread (&optional group)
1432   "Move cursor to the next unread folder."
1433   (interactive "P")
1434   (let (start-point)
1435     (setq start-point (point))
1436     (end-of-line)
1437     (if (re-search-forward (wl-folder-unread-regex group) nil t)
1438         (progn
1439           (beginning-of-line)
1440           (wl-folder-folder-name))
1441       (goto-char start-point)
1442       (message "No more unread folder")
1443       nil)))
1444
1445 (defun wl-folder-mode ()
1446   "Major mode for Wanderlust Folder.
1447 See Info under Wanderlust for full documentation.
1448
1449 Special commands:
1450 \\{wl-folder-mode-map}
1451
1452 Entering Folder mode calls the value of `wl-folder-mode-hook'."
1453   (interactive)
1454   (setq major-mode 'wl-folder-mode)
1455   (setq mode-name "Folder")
1456   (use-local-map wl-folder-mode-map)
1457   (setq buffer-read-only t)
1458   (setq inhibit-read-only nil)
1459   (setq truncate-lines t)
1460   (setq wl-folder-buffer-cur-entity-id nil
1461         wl-folder-buffer-cur-path nil
1462         wl-folder-buffer-cur-point nil)
1463   (wl-mode-line-buffer-identification)
1464   (easy-menu-add wl-folder-mode-menu)
1465   ;; This hook may contain the functions `wl-folder-init-icons' and
1466   ;; `wl-setup-folder' for reasons of system internal to accord
1467   ;; facilities for the Emacs variants.
1468   (run-hooks 'wl-folder-mode-hook))
1469
1470 (defun wl-folder-append-petname (realname petname)
1471   (let (pentry)
1472     ;; check group name.
1473     (if (wl-folder-search-group-entity-by-name petname wl-folder-entity)
1474         (error "%s already defined as group name" petname))
1475     (when (setq pentry (wl-string-assoc realname wl-folder-petname-alist))
1476       (setq wl-folder-petname-alist
1477             (delete pentry wl-folder-petname-alist)))
1478     (wl-append wl-folder-petname-alist
1479                (list (cons realname petname)))))
1480
1481 (defun wl-folder (&optional arg)
1482   (interactive "P")
1483   (let (initialize folder-buf)
1484     (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1485         (if wl-folder-use-frame
1486             (let (select-frame)
1487               (save-selected-window
1488                 (dolist (frame (visible-frame-list))
1489                   (select-frame frame)
1490                   (if (get-buffer-window folder-buf)
1491                       (setq select-frame frame))))
1492               (if select-frame
1493                   (select-frame select-frame)
1494                 (switch-to-buffer folder-buf)))
1495           (switch-to-buffer folder-buf))
1496       (if wl-folder-use-frame
1497           (progn
1498             (switch-to-buffer-other-frame
1499              (get-buffer-create wl-folder-buffer-name))
1500             (let ((frame (selected-frame)))
1501               (setq wl-delete-startup-frame-function
1502                     `(lambda ()
1503                        (setq wl-delete-startup-frame-function nil)
1504                        (let ((frame ,frame))
1505                          (if (eq (selected-frame) frame)
1506                              (delete-frame frame)))))))
1507         (switch-to-buffer (get-buffer-create wl-folder-buffer-name)))
1508       (set-buffer wl-folder-buffer-name)
1509       (wl-folder-mode)
1510       ;; Initialization.
1511       (setq wl-folder-entity-id 0)
1512       (wl-folder-entity-assign-id wl-folder-entity)
1513       (setq wl-folder-entity-hashtb
1514             (wl-folder-create-entity-hashtb wl-folder-entity))
1515       (setq wl-folder-elmo-folder-hashtb (elmo-make-hash wl-folder-entity-id))
1516       (setq wl-folder-group-alist
1517             (wl-folder-create-group-alist wl-folder-entity))
1518       (setq wl-folder-newsgroups-hashtb
1519             (wl-folder-create-newsgroups-hashtb wl-folder-entity))
1520       (wl-folder-init-info-hashtb)
1521       (let ((inhibit-read-only t)
1522             (buffer-read-only nil))
1523         (erase-buffer)
1524         (setcdr (assoc (car wl-folder-entity) wl-folder-group-alist) t)
1525         (save-excursion
1526           (wl-folder-insert-entity " " wl-folder-entity)))
1527       (sit-for 0)
1528       (set-buffer-modified-p nil)
1529       (setq initialize t))
1530     initialize))
1531
1532 (defun wl-folder-auto-check ()
1533   "Check and update folders in `wl-auto-check-folder-name'."
1534   (interactive)
1535   (when (get-buffer wl-folder-buffer-name)
1536     (switch-to-buffer  wl-folder-buffer-name)
1537     (cond
1538      ((eq wl-auto-check-folder-name 'none))
1539      ((or (consp wl-auto-check-folder-name)
1540           (stringp wl-auto-check-folder-name))
1541       (let ((folder-list (if (consp wl-auto-check-folder-name)
1542                              wl-auto-check-folder-name
1543                            (list wl-auto-check-folder-name)))
1544             entity)
1545         (while folder-list
1546           (if (setq entity (wl-folder-search-entity-by-name
1547                             (car folder-list)
1548                             wl-folder-entity))
1549               (wl-folder-check-entity entity 'auto))
1550           (setq folder-list (cdr folder-list)))))
1551      (t
1552       (wl-folder-check-entity wl-folder-entity 'auto)))))
1553
1554 (defun wl-folder-set-folder-updated (name value)
1555   (save-excursion
1556     (let (buf)
1557       (if (setq buf (get-buffer wl-folder-buffer-name))
1558           (wl-folder-entity-hashtb-set
1559            wl-folder-entity-hashtb name value buf))
1560       (setq wl-folder-info-alist-modified t))))
1561
1562 (defun wl-folder-calc-finfo (entity)
1563   ;; calcurate finfo without inserting.
1564   (let ((entities (list entity))
1565         entity-stack
1566         new unread all nums)
1567     (while entities
1568       (setq entity (wl-pop entities))
1569       (cond
1570        ((consp entity)
1571         (and entities
1572              (wl-push entities entity-stack))
1573         (setq entities (nth 2 entity)))
1574        ((stringp entity)
1575         (setq nums (wl-folder-get-entity-info entity))
1576         (setq new    (+ (or new 0) (or (nth 0 nums) 0)))
1577         (setq unread (+ (or unread 0)
1578                         (or (and (nth 0 nums)(nth 1 nums)
1579                                  (+ (nth 0 nums)(nth 1 nums))) 0)))
1580         (setq all    (+ (or all 0) (or (nth 2 nums) 0)))))
1581       (unless entities
1582         (setq entities (wl-pop entity-stack))))
1583     (list new unread all)))
1584
1585 (defsubst wl-folder-make-save-access-list (list)
1586   (mapcar '(lambda (x)
1587              (cond
1588               ((consp x)
1589                (list (elmo-string (car x)) 'access))
1590               (t
1591                (elmo-string x))))
1592           list))
1593
1594 (defun wl-folder-update-newest (indent entity)
1595   (let (ret-val new unread all)
1596     (cond
1597      ((consp entity)
1598       (let ((inhibit-read-only t)
1599             (buffer-read-only nil)
1600             (flist (nth 2 entity))
1601             (as-opened (cdr (assoc (car entity) wl-folder-group-alist)))
1602             beg
1603             )
1604         (setq beg (point))
1605         (if as-opened
1606             (let (update-flist flist-unsub new-flist removed group-name-end)
1607               (when (and (eq (cadr entity) 'access)
1608                          (elmo-folder-plugged-p
1609                           (wl-folder-get-elmo-folder (car entity))))
1610                 (message "Fetching folder entries...")
1611                 (when (setq new-flist
1612                             (elmo-folder-list-subfolders
1613                              (wl-folder-get-elmo-folder (car entity))
1614                              (wl-string-match-member
1615                               (car entity)
1616                               wl-folder-hierarchy-access-folders)))
1617                   (setq update-flist
1618                         (wl-folder-update-access-group entity new-flist))
1619                   (setq flist (nth 1 update-flist))
1620                   (when (car update-flist) ;; diff
1621                     (setq flist-unsub (nth 2 update-flist))
1622                     (setq removed (nth 3 update-flist))
1623                     (elmo-msgdb-flist-save
1624                      (car entity)
1625                      (list
1626                       (wl-folder-make-save-access-list flist)
1627                       (wl-folder-make-save-access-list flist-unsub)))
1628                     (wl-folder-entity-assign-id
1629                      entity
1630                      wl-folder-entity-id-name-hashtb
1631                      t)
1632                     (setq wl-folder-entity-hashtb
1633                           (wl-folder-create-entity-hashtb
1634                            entity
1635                            wl-folder-entity-hashtb
1636                            t))
1637                     (setq wl-folder-newsgroups-hashtb
1638                           (or
1639                            (wl-folder-create-newsgroups-hashtb
1640                             entity nil)
1641                            wl-folder-newsgroups-hashtb))))
1642                 (message "Fetching folder entries...done"))
1643               (wl-folder-insert-entity indent entity))))))))
1644
1645 (defun wl-folder-insert-entity (indent entity &optional onlygroup)
1646   (let (ret-val new unread all)
1647     (cond
1648      ((consp entity)
1649       (let ((inhibit-read-only t)
1650             (buffer-read-only nil)
1651             (flist (nth 2 entity))
1652             (as-opened (cdr (assoc (car entity) wl-folder-group-alist)))
1653             beg
1654             )
1655 ;;;     (insert indent "[" (if as-opened "-" "+") "]" (car entity) "\n")
1656 ;;;     (save-excursion (forward-line -1)
1657 ;;;                     (wl-highlight-folder-current-line))
1658         (setq beg (point))
1659         (if (and as-opened
1660                  (not onlygroup))
1661             (let (update-flist flist-unsub new-flist removed group-name-end)
1662 ;;;           (when (and (eq (cadr entity) 'access)
1663 ;;;                      newest)
1664 ;;;             (message "fetching folder entries...")
1665 ;;;             (when (setq new-flist
1666 ;;;                         (elmo-list-folders
1667 ;;;                          (elmo-string (car entity))
1668 ;;;                          (wl-string-member
1669 ;;;                           (car entity)
1670 ;;;                           wl-folder-hierarchy-access-folders)
1671 ;;;                          ))
1672 ;;;               (setq update-flist
1673 ;;;                     (wl-folder-update-access-group entity new-flist))
1674 ;;;               (setq flist (nth 1 update-flist))
1675 ;;;               (when (car update-flist) ;; diff
1676 ;;;                 (setq flist-unsub (nth 2 update-flist))
1677 ;;;                 (setq removed (nth 3 update-flist))
1678 ;;;                 (elmo-msgdb-flist-save
1679 ;;;                  (car entity)
1680 ;;;                  (list
1681 ;;;                   (wl-folder-make-save-access-list flist)
1682 ;;;                   (wl-folder-make-save-access-list flist-unsub)))
1683 ;;;                 ;;
1684 ;;;                 ;; reconstruct wl-folder-entity-id-name-hashtb and
1685 ;;;                 ;;           wl-folder-entity-hashtb
1686 ;;;                 ;;
1687 ;;;                 (wl-folder-entity-assign-id
1688 ;;;                  entity
1689 ;;;                  wl-folder-entity-id-name-hashtb
1690 ;;;                  t)
1691 ;;;                 (setq wl-folder-entity-hashtb
1692 ;;;                       (wl-folder-create-entity-hashtb
1693 ;;;                        entity
1694 ;;;                        wl-folder-entity-hashtb
1695 ;;;                        t))
1696 ;;;                 (setq wl-folder-newsgroups-hashtb
1697 ;;;                       (or
1698 ;;;                        (wl-folder-create-newsgroups-hashtb
1699 ;;;                         entity nil)
1700 ;;;                        wl-folder-newsgroups-hashtb))))
1701 ;;;             (message "fetching folder entries...done"))
1702               (insert indent "[" (if as-opened "-" "+") "]"
1703                       (wl-folder-get-petname (car entity)))
1704               (setq group-name-end (point))
1705               (insert ":0/0/0\n")
1706               (put-text-property beg (point) 'wl-folder-entity-id
1707                                  (get-text-property 0 'wl-folder-entity-id
1708                                                     (car entity)))
1709               (when removed
1710                 (setq beg (point))
1711                 (while removed
1712                   (insert indent "  "
1713                           wl-folder-removed-mark
1714                           (if (listp (car removed))
1715                               (concat "[+]" (caar removed))
1716                             (car removed))
1717                           "\n")
1718                   (save-excursion (forward-line -1)
1719                                   (wl-highlight-folder-current-line))
1720                   (setq removed (cdr removed)))
1721                 (remove-text-properties beg (point) '(wl-folder-entity-id)))
1722               (let* ((len (length flist))
1723                      (mes (> len 100))
1724                      (i 0))
1725                 (while flist
1726                   (setq ret-val
1727                         (wl-folder-insert-entity
1728                          (concat indent "  ") (car flist)))
1729                   (setq new    (+ (or new 0) (or (nth 0 ret-val) 0)))
1730                   (setq unread (+ (or unread 0) (or (nth 1 ret-val) 0)))
1731                   (setq all    (+ (or all 0) (or (nth 2 ret-val) 0)))
1732                   (when (and mes
1733                              (> len elmo-display-progress-threshold))
1734                     (setq i (1+ i))
1735                     (elmo-display-progress
1736                      'wl-folder-insert-entity "Inserting group %s..."
1737                      (/ (* i 100) len) (car entity)))
1738                   (setq flist (cdr flist))))
1739               (save-excursion
1740                 (goto-char group-name-end)
1741                 (delete-region (point) (save-excursion (end-of-line)
1742                                                        (point)))
1743                 (insert (format ":%d/%d/%d" (or new 0)
1744                                 (or unread 0) (or all 0)))
1745                 (setq ret-val (list new unread all))
1746                 (wl-highlight-folder-current-line ret-val)))
1747           (setq ret-val (wl-folder-calc-finfo entity))
1748           (insert indent "[" (if as-opened "-" "+") "]"
1749                   (wl-folder-get-petname (car entity))
1750                   (format ":%d/%d/%d"
1751                           (or (nth 0 ret-val) 0)
1752                           (or (nth 1 ret-val) 0)
1753                           (or (nth 2 ret-val) 0))
1754                   "\n")
1755           (put-text-property beg (point) 'wl-folder-entity-id
1756                              (get-text-property 0 'wl-folder-entity-id
1757                                                 (car entity)))
1758           (save-excursion (forward-line -1)
1759                           (wl-highlight-folder-current-line ret-val)))))
1760      ((stringp entity)
1761       (let* ((inhibit-read-only t)
1762              (buffer-read-only nil)
1763              (nums (wl-folder-get-entity-info entity))
1764              beg)
1765         (setq beg (point))
1766         (insert indent (wl-folder-get-petname entity)
1767                 (format ":%s/%s/%s\n"
1768                         (or (setq new (nth 0 nums)) "*")
1769                         (or (setq unread (and (nth 0 nums)(nth 1 nums)
1770                                               (+ (nth 0 nums)(nth 1 nums))))
1771                             "*")
1772                         (or (setq all (nth 2 nums)) "*")))
1773         (put-text-property beg (point) 'wl-folder-entity-id
1774                            (get-text-property 0 'wl-folder-entity-id entity))
1775         (save-excursion (forward-line -1)
1776                         (wl-highlight-folder-current-line nums))
1777         (setq ret-val (list new unread all)))))
1778     (set-buffer-modified-p nil)
1779     ret-val))
1780
1781 (defun wl-folder-check-all ()
1782   (interactive)
1783   (wl-folder-check-entity wl-folder-entity))
1784
1785 (defun wl-folder-entity-hashtb-set (entity-hashtb name value buffer)
1786   (let (cur-val
1787         (new-diff 0)
1788         (unread-diff 0)
1789         (all-diff 0)
1790         diffs
1791         entity-list)
1792     (setq cur-val (wl-folder-get-entity-info name entity-hashtb))
1793     (setq new-diff    (- (or (nth 0 value) 0) (or (nth 0 cur-val) 0)))
1794     (setq unread-diff
1795           (+ new-diff
1796              (- (or (nth 1 value) 0) (or (nth 1 cur-val) 0))))
1797     (setq all-diff    (- (or (nth 2 value) 0) (or (nth 2 cur-val) 0)))
1798     (setq diffs (list new-diff unread-diff all-diff))
1799     (unless (and (nth 0 cur-val)
1800                  (equal diffs '(0 0 0)))
1801       (wl-folder-set-entity-info name value entity-hashtb)
1802       (save-match-data
1803         (with-current-buffer buffer
1804           (save-excursion
1805             (setq entity-list (wl-folder-search-entity-list-by-name
1806                                name wl-folder-entity))
1807             (while entity-list
1808               (wl-folder-update-group (car entity-list) diffs)
1809               (setq entity-list (cdr entity-list)))
1810             (goto-char (point-min))
1811             (while (wl-folder-buffer-search-entity name)
1812               (wl-folder-update-line value))))))))
1813
1814 (defun wl-folder-update-unread (folder unread)
1815 ;  (save-window-excursion
1816     (let ((buf (get-buffer wl-folder-buffer-name))
1817           cur-unread
1818           (unread-diff 0)
1819           ;;(fld (elmo-string folder))
1820           value newvalue entity-list)
1821 ;;; Update folder-info
1822 ;;;    (elmo-folder-set-info-hashtb fld nil nil nil unread)
1823       (setq cur-unread (or (nth 1 (wl-folder-get-entity-info folder)) 0))
1824       (setq unread-diff (- (or unread 0) cur-unread))
1825       (setq value (wl-folder-get-entity-info folder))
1826       (setq newvalue (list (nth 0 value)
1827                            unread
1828                            (nth 2 value)))
1829       (wl-folder-set-entity-info folder newvalue)
1830       (setq wl-folder-info-alist-modified t)
1831       (when (and buf
1832                  (not (eq unread-diff 0)))
1833         (save-match-data
1834           (with-current-buffer buf
1835             (save-excursion
1836               (setq entity-list (wl-folder-search-entity-list-by-name
1837                                  folder wl-folder-entity))
1838               (while entity-list
1839                 (wl-folder-update-group (car entity-list) (list 0
1840                                                                 unread-diff
1841                                                                 0))
1842                 (setq entity-list (cdr entity-list)))
1843               (goto-char (point-min))
1844               (while (wl-folder-buffer-search-entity folder)
1845                 (wl-folder-update-line newvalue))))))));)
1846
1847 (defun wl-folder-create-entity-hashtb (entity &optional hashtb reconst)
1848   (let ((hashtb (or hashtb (elmo-make-hash wl-folder-entity-id)))
1849         (entities (list entity))
1850         entity-stack)
1851     (while entities
1852       (setq entity (wl-pop entities))
1853       (cond
1854        ((consp entity)
1855         (and entities
1856              (wl-push entities entity-stack))
1857         (setq entities (nth 2 entity)))
1858        ((stringp entity)
1859         (when (not (and reconst
1860                         (wl-folder-get-entity-info entity)))
1861           (wl-folder-set-entity-info entity
1862                                      nil
1863                                      hashtb))))
1864       (unless entities
1865         (setq entities (wl-pop entity-stack))))
1866     hashtb))
1867
1868 ;; Unsync number is reserved.
1869 ;;(defun wl-folder-reconstruct-entity-hashtb (entity &optional hashtb id-name)
1870 ;;  (let* ((hashtb (or hashtb (elmo-make-hash wl-folder-entity-id)))
1871 ;;       (entities (list entity))
1872 ;;       entity-stack)
1873 ;;    (while entities
1874 ;;      (setq entity (wl-pop entities))
1875 ;;      (cond
1876 ;;       ((consp entity)
1877 ;;      (if id-name
1878 ;;          (wl-folder-set-id-name (wl-folder-get-entity-id (car entity))
1879 ;;                                 (car entity)))
1880 ;;      (and entities
1881 ;;           (wl-push entities entity-stack))
1882 ;;      (setq entities (nth 2 entity))
1883 ;;      )
1884 ;;       ((stringp entity)
1885 ;;      (wl-folder-set-entity-info entity
1886 ;;                                 (wl-folder-get-entity-info entity)
1887 ;;                                 hashtb)
1888 ;;      (if id-name
1889 ;;          (wl-folder-set-id-name (wl-folder-get-entity-id entity)
1890 ;;                                 entity))))
1891 ;;      (unless entities
1892 ;;      (setq entities (wl-pop entity-stack))))
1893 ;;    hashtb))
1894
1895 (defun wl-folder-create-newsgroups-from-nntp-access (entity)
1896   (let ((flist (nth 2 entity))
1897         folders)
1898     (while flist
1899       (wl-append folders
1900                  (cond
1901                   ((consp (car flist))
1902                    (wl-folder-create-newsgroups-from-nntp-access (car flist)))
1903                   (t
1904                    (list
1905                     (elmo-nntp-folder-group-internal
1906                      (wl-folder-get-elmo-folder (car flist)))))))
1907       (setq flist (cdr flist)))
1908     folders))
1909
1910 (defun wl-folder-create-newsgroups-hashtb (entity &optional is-list info)
1911   "Create NNTP group hashtable for ENTITY."
1912   (let ((entities (if is-list entity (list entity)))
1913         entity-stack folder-list newsgroups newsgroup make-hashtb)
1914     (and info (message "Creating newsgroups..."))
1915     (while entities
1916       (setq entity (wl-pop entities))
1917       (cond
1918        ((consp entity)
1919         (if (eq (nth 1 entity) 'access)
1920             (when (eq (elmo-folder-type-internal
1921                        (elmo-make-folder (car entity))) 'nntp)
1922               (wl-append newsgroups
1923                          (wl-folder-create-newsgroups-from-nntp-access entity))
1924               (setq make-hashtb t))
1925           (and entities
1926                (wl-push entities entity-stack))
1927           (setq entities (nth 2 entity))))
1928        ((stringp entity)
1929         (setq folder-list (elmo-folder-get-primitive-list
1930                            (elmo-make-folder entity)))
1931         (while folder-list
1932           (when (and (eq (elmo-folder-type-internal (car folder-list))
1933                          'nntp)
1934                      (setq newsgroup (elmo-nntp-folder-group-internal
1935                                       (car folder-list))))
1936             (wl-append newsgroups (list (elmo-string newsgroup))))
1937           (setq folder-list (cdr folder-list)))))
1938       (unless entities
1939         (setq entities (wl-pop entity-stack))))
1940     (and info (message "Creating newsgroups...done"))
1941     (if (or newsgroups make-hashtb)
1942         (elmo-setup-subscribed-newsgroups newsgroups))))
1943
1944 (defun wl-folder-get-path (entity target-id &optional string)
1945   (let ((entities (list entity))
1946         entity-stack result-path)
1947     (reverse
1948      (catch 'done
1949        (while entities
1950          (setq entity (wl-pop entities))
1951          (cond
1952           ((consp entity)
1953            (if (and (or (not string) (string= string (car entity)))
1954                     (eq target-id (wl-folder-get-entity-id (car entity))))
1955                (throw 'done
1956                       (wl-push target-id result-path))
1957              (wl-push (wl-folder-get-entity-id (car entity)) result-path))
1958            (wl-push entities entity-stack)
1959            (setq entities (nth 2 entity)))
1960           ((stringp entity)
1961            (if (and (or (not string) (string= string entity))
1962                     (eq target-id (wl-folder-get-entity-id entity)))
1963                (throw 'done
1964                       (wl-push target-id result-path)))))
1965          (unless entities
1966            (while (and entity-stack
1967                        (not entities))
1968              (setq result-path (cdr result-path))
1969              (setq entities (wl-pop entity-stack)))))))))
1970
1971 (defun wl-folder-create-group-alist (entity)
1972   (if (consp entity)
1973       (let ((flist (nth 2 entity))
1974             (cur-alist (list (cons (car entity) nil)))
1975              append-alist)
1976         (while flist
1977           (if (consp (car flist))
1978               (wl-append append-alist
1979                          (wl-folder-create-group-alist (car flist))))
1980           (setq flist (cdr flist)))
1981         (append cur-alist append-alist))))
1982
1983 (defun wl-folder-init-info-hashtb ()
1984   (let ((info-alist (and wl-folder-info-save
1985                          (elmo-msgdb-finfo-load))))
1986     (elmo-folder-info-make-hashtb
1987      info-alist
1988      wl-folder-entity-hashtb)))
1989 ;;; (wl-folder-resume-entity-hashtb-by-finfo
1990 ;;;  wl-folder-entity-hashtb
1991 ;;;  info-alist)))
1992
1993 (defun wl-folder-cleanup-variables ()
1994   (setq wl-folder-entity nil
1995         wl-folder-entity-hashtb nil
1996         wl-folder-entity-id-name-hashtb nil
1997         wl-folder-group-alist nil
1998         wl-folder-petname-alist nil
1999         wl-folder-newsgroups-hashtb nil
2000         wl-fldmgr-cut-entity-list nil
2001         wl-fldmgr-modified nil
2002         wl-fldmgr-modified-access-list nil
2003         wl-score-cache nil
2004         ))
2005
2006 (defun wl-make-plugged-alist ()
2007   (let ((entity-list (wl-folder-get-entity-list wl-folder-entity))
2008         (add (not wl-reset-plugged-alist)))
2009     (while entity-list
2010       (elmo-folder-set-plugged
2011        (wl-folder-get-elmo-folder (car entity-list)) wl-plugged add)
2012       (setq entity-list (cdr entity-list)))
2013     ;; smtp posting server
2014     (when wl-smtp-posting-server
2015       (elmo-set-plugged wl-plugged
2016                         wl-smtp-posting-server  ; server
2017                         (or (and (boundp 'smtp-service) smtp-service)
2018                             "smtp")     ; port
2019                         wl-smtp-connection-type
2020                         nil nil "smtp" add))
2021     ;; nntp posting server
2022     (when wl-nntp-posting-server
2023       (elmo-set-plugged wl-plugged
2024                         wl-nntp-posting-server
2025                         wl-nntp-posting-stream-type
2026                         wl-nntp-posting-port
2027                         nil nil "nntp" add))
2028     (run-hooks 'wl-make-plugged-hook)))
2029
2030 (defvar wl-folder-init-function 'wl-local-folder-init)
2031
2032 (defun wl-folder-init ()
2033   "Return top-level folder entity."
2034   (interactive)
2035   (if wl-use-acap
2036       (wl-acap-init)
2037     (funcall wl-folder-init-function))
2038   (run-hooks 'wl-folder-init-hook))
2039
2040 (defun wl-local-folder-init ()
2041   "Initialize local folder."
2042   (message "Initializing folder...")
2043   (setq wl-folder-entity (wl-folder-create-folder-entity))
2044   (message "Initializing folder...done"))
2045
2046 (defun wl-folder-get-realname (petname)
2047   (or (car
2048        (wl-string-rassoc
2049         petname
2050         wl-folder-petname-alist))
2051       petname))
2052
2053 (defun wl-folder-get-petname (name)
2054   (or (cdr
2055        (wl-string-assoc
2056         name
2057         wl-folder-petname-alist))
2058       name))
2059
2060 (defun wl-folder-get-entity-with-petname ()
2061   (let ((alist wl-folder-petname-alist)
2062         (hashtb (copy-sequence wl-folder-entity-hashtb)))
2063     (while alist
2064       (wl-folder-set-entity-info (cdar alist) nil hashtb)
2065       (setq alist (cdr alist)))
2066     hashtb))
2067
2068 (defun wl-folder-get-newsgroups (folder)
2069   "Return Newsgroups field value string for FOLDER newsgroup.
2070 If FOLDER is multi, return comma separated string (cross post)."
2071   (let ((nlist (elmo-folder-newsgroups
2072                         (wl-folder-get-elmo-folder folder))))
2073     (if nlist
2074         (list nil nil (mapconcat 'identity nlist ","))
2075       nil)))
2076
2077 (defun wl-folder-guess-mailing-list-by-refile-rule (entity)
2078   "Return ML address guess by FOLDER.
2079 Use `wl-subscribed-mailing-list' and `wl-refile-rule-alist'."
2080   (let ((flist
2081          (elmo-folder-get-primitive-list
2082           (wl-folder-get-elmo-folder entity)))
2083         fld mladdr to)
2084     (while (setq fld (car flist))
2085       (setq mladdr (wl-folder-guess-mailing-list-by-refile-rule-subr
2086                     (elmo-folder-name-internal fld)))
2087       (when mladdr
2088         (setq to (if (stringp to)
2089                      (concat to ", " mladdr)
2090                    mladdr)))
2091       (setq flist (cdr flist)))
2092     (if (stringp to)
2093         (list to nil nil)
2094       nil)))
2095
2096 (defun wl-folder-guess-mailing-list-by-refile-rule-subr (entity)
2097   (unless (memq (elmo-folder-type entity)
2098                 '(localnews nntp))
2099     (let ((rules wl-refile-rule-alist)
2100           tokey toalist)
2101       (while rules
2102         (if (or (and (stringp (car (car rules)))
2103                      (string-match "[Tt]o" (car (car rules))))
2104                 (and (listp (car (car rules)))
2105                      (elmo-string-matched-member "to" (car (car rules))
2106                                                  'case-ignore)))
2107             (setq toalist (append toalist (cdr (car rules)))))
2108         (setq rules (cdr rules)))
2109       (setq tokey (car (rassoc entity toalist)))
2110 ;;;     (setq histkey (car (rassoc folder wl-refile-alist)))
2111       ;; case-ignore search `wl-subscribed-mailing-list'
2112       (if (stringp tokey)
2113           (elmo-string-matched-member tokey wl-subscribed-mailing-list t)))))
2114
2115 (defun wl-folder-guess-mailing-list-by-folder-name (entity)
2116   "Return ML address guess by FOLDER name's last hierarchy.
2117 Use `wl-subscribed-mailing-list'."
2118   (let ((flist
2119          (elmo-folder-get-primitive-list
2120           (wl-folder-get-elmo-folder entity)))
2121         fld mladdr to)
2122     (while (setq fld (car flist))
2123       (setq mladdr (wl-folder-guess-mailing-list-by-folder-name-subr
2124                     (elmo-folder-name-internal fld)))
2125       (when mladdr
2126         (setq to (if (stringp to)
2127                      (concat to ", " mladdr)
2128                    mladdr)))
2129       (setq flist (cdr flist)))
2130     (if (stringp to)
2131         (list to nil nil)
2132       nil)))
2133
2134 (defun wl-folder-guess-mailing-list-by-folder-name-subr (entity)
2135   (when (memq (elmo-folder-type entity)
2136               '(localdir imap4 maildir))
2137     (let (key foldername)
2138       ;; Get foldername and Remove folder type symbol.
2139       (setq foldername (substring entity 1))
2140       (if (string-match "@" foldername)
2141           (setq foldername (substring foldername 0 (match-beginning 0))))
2142       (when (string-match "[^\\./]+$" foldername)
2143         (setq key (regexp-quote
2144                    (concat (substring foldername (match-beginning 0)) "@")))
2145         (elmo-string-matched-member
2146          key wl-subscribed-mailing-list 'case-ignore)))))
2147
2148 (defun wl-folder-update-diff-line (diffs)
2149   (let ((inhibit-read-only t)
2150         (buffer-read-only nil)
2151         cur-new new-new
2152         cur-unread new-unread
2153         cur-all new-all
2154         id)
2155     (save-excursion
2156       (beginning-of-line)
2157       (setq id (get-text-property (point) 'wl-folder-entity-id))
2158       (when (looking-at "^[ ]*\\(.*\\):\\([0-9\\*-]*\\)/\\([0-9\\*-]*\\)/\\([0-9\\*]*\\)")
2159         ;;(looking-at "^[ ]*\\([^\\[].+\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2160         (setq cur-new (string-to-int
2161                        (wl-match-buffer 2)))
2162         (setq cur-unread (string-to-int
2163                           (wl-match-buffer 3)))
2164         (setq cur-all (string-to-int
2165                        (wl-match-buffer 4)))
2166         (delete-region (match-beginning 2)
2167                        (match-end 4))
2168         (goto-char (match-beginning 2))
2169         (insert (format "%s/%s/%s"
2170                         (setq new-new (+ cur-new (nth 0 diffs)))
2171                         (setq new-unread (+ cur-unread (nth 1 diffs)))
2172                         (setq new-all (+ cur-all (nth 2 diffs)))))
2173         (put-text-property (match-beginning 2) (point)
2174                            'wl-folder-entity-id id)
2175         (if wl-use-highlight-mouse-line
2176             (put-text-property (match-beginning 2) (point)
2177                                'mouse-face 'highlight))
2178         (wl-highlight-folder-group-line (list new-new new-unread new-all))
2179         (setq buffer-read-only t)
2180         (set-buffer-modified-p nil)))))
2181
2182 (defun wl-folder-update-line (nums &optional is-group)
2183   (let ((inhibit-read-only t)
2184         (buffer-read-only nil)
2185         id)
2186     (save-excursion
2187       (beginning-of-line)
2188       (setq id (get-text-property (point) 'wl-folder-entity-id))
2189       (if (looking-at "^[ ]*\\(.*\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2190 ;;;       (looking-at "^[ ]*\\([^\\[].+\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2191           (progn
2192             (delete-region (match-beginning 2)
2193                            (match-end 2))
2194             (goto-char (match-beginning 2))
2195             (insert (format "%s/%s/%s"
2196                             (or (nth 0 nums) "*")
2197                             (or (and (nth 0 nums)(nth 1 nums)
2198                                      (+ (nth 0 nums)(nth 1 nums)))
2199                                 "*")
2200                             (or (nth 2 nums) "*")))
2201             (put-text-property (match-beginning 2) (point)
2202                                'wl-folder-entity-id id)
2203             (if is-group
2204                 ;; update only colors
2205                 (wl-highlight-folder-group-line nums)
2206               (wl-highlight-folder-current-line nums))
2207             (beginning-of-line)
2208             (set-buffer-modified-p nil))))))
2209
2210 (defun wl-folder-goto-folder (&optional arg)
2211   (interactive "P")
2212   (wl-folder-goto-folder-subr nil arg))
2213
2214 (defun wl-folder-goto-folder-sticky ()
2215   (interactive)
2216   (wl-folder-goto-folder-subr nil t))
2217
2218 (defun wl-folder-goto-draft-folder (&optional arg)
2219   (interactive "P")
2220   (wl-folder-goto-folder-subr wl-draft-folder arg))
2221
2222 (defun wl-folder-goto-folder-subr (&optional folder sticky)
2223   (beginning-of-line)
2224   (let (summary-buf fld-name entity id error-selecting)
2225 ;;; (setq fld-name (wl-folder-get-entity-from-buffer))
2226 ;;; (if (or (null fld-name)
2227 ;;;         (assoc fld-name wl-folder-group-alist))
2228     (setq fld-name wl-default-folder)
2229     (setq fld-name (or folder
2230                        (let (this-command)
2231                          (wl-summary-read-folder fld-name))))
2232     (if (and (setq entity
2233                    (wl-folder-search-entity-by-name fld-name
2234                                                     wl-folder-entity
2235                                                     'folder))
2236              (setq id (wl-folder-get-entity-id entity)))
2237         (wl-folder-set-current-entity-id id))
2238     (setq summary-buf (wl-summary-get-buffer-create fld-name sticky))
2239     (if (or wl-stay-folder-window wl-summary-use-frame)
2240         (wl-folder-select-buffer summary-buf)
2241       (if (and summary-buf
2242                (get-buffer-window summary-buf))
2243           (delete-window)))
2244     (wl-summary-goto-folder-subr fld-name
2245                                  (wl-summary-get-sync-range
2246                                   (wl-folder-get-elmo-folder fld-name))
2247                                  nil sticky t)))
2248
2249 (defun wl-folder-suspend ()
2250   (interactive)
2251   (run-hooks 'wl-folder-suspend-hook)
2252   (wl-folder-info-save)
2253   (elmo-crosspost-message-alist-save)
2254   (elmo-quit)
2255   ;(if (fboundp 'mmelmo-cleanup-entity-buffers)
2256   ;(mmelmo-cleanup-entity-buffers))
2257   (bury-buffer wl-folder-buffer-name)
2258   (dolist (summary-buf (wl-collect-summary))
2259     (bury-buffer summary-buf))
2260   (dolist (draft-buf (wl-collect-draft))
2261     (bury-buffer draft-buf))
2262   (delete-windows-on wl-folder-buffer-name t))
2263
2264 (defun wl-folder-info-save ()
2265   (when (and wl-folder-info-save
2266              wl-folder-info-alist-modified)
2267     (let ((entities (list wl-folder-entity))
2268           entity entity-stack info-alist info)
2269       (while entities
2270         (setq entity (wl-pop entities))
2271         (cond
2272          ((consp entity)
2273           (and entities
2274                (wl-push entities entity-stack))
2275           (setq entities (nth 2 entity)))
2276          ((stringp entity)
2277           (when (and (setq info (elmo-folder-get-info
2278                                  (wl-folder-get-elmo-folder entity)))
2279                      (not (equal info '(nil))))
2280             (if (listp info)
2281                 (wl-append info-alist (list (list (elmo-string entity)
2282                                                   (list (nth 3 info)  ;; max
2283                                                         (nth 2 info)  ;; length
2284                                                         (nth 0 info)  ;; new
2285                                                         (nth 1 info)) ;; unread
2286                                                   )))))))
2287         (unless entities
2288           (setq entities (wl-pop entity-stack))))
2289       (elmo-msgdb-finfo-save info-alist)
2290       (setq wl-folder-info-alist-modified nil))))
2291
2292 (defun wl-folder-goto-first-unread-folder (&optional arg)
2293   (interactive "P")
2294   (let ((entities (list wl-folder-entity))
2295         entity entity-stack ret-val
2296         first-entity finfo)
2297     (setq first-entity
2298           (catch 'done
2299             (while entities
2300               (setq entity (wl-pop entities))
2301               (cond
2302                ((consp entity)
2303                 (and entities
2304                      (wl-push entities entity-stack))
2305                 (setq entities (nth 2 entity)))
2306                ((stringp entity)
2307                 (if (and (setq finfo (wl-folder-get-entity-info entity))
2308                          (and (nth 0 finfo)(nth 1 finfo))
2309                          (> (+ (nth 0 finfo)(nth 1 finfo)) 0))
2310                     (throw 'done entity))
2311                 (wl-append ret-val (list entity))))
2312               (unless entities
2313                 (setq entities (wl-pop entity-stack))))))
2314     (if first-entity
2315         (progn
2316           (when arg
2317             (wl-folder-jump-folder first-entity)
2318             (sit-for 0))
2319           (wl-folder-goto-folder-subr first-entity))
2320       (message "No unread folder"))))
2321
2322 (defun wl-folder-jump-folder (&optional fld-name noopen)
2323   (interactive)
2324   (if (not fld-name)
2325       (setq fld-name (wl-summary-read-folder wl-default-folder)))
2326   (goto-char (point-min))
2327   (if (not noopen)
2328       (wl-folder-open-folder fld-name))
2329   (and (wl-folder-buffer-search-entity fld-name)
2330        (beginning-of-line)))
2331
2332 (defun wl-folder-get-entity-list (entity)
2333   (let ((entities (list entity))
2334         entity-stack ret-val)
2335     (while entities
2336       (setq entity (wl-pop entities))
2337       (cond
2338        ((consp entity)
2339         (and entities
2340              (wl-push entities entity-stack))
2341         (setq entities (nth 2 entity)))
2342        ((stringp entity)
2343         (wl-append ret-val (list entity))))
2344       (unless entities
2345         (setq entities (wl-pop entity-stack))))
2346     ret-val))
2347
2348 (defun wl-folder-open-unread-folder (entity)
2349   (save-excursion
2350     (let ((alist (wl-folder-get-entity-list entity))
2351           (unread 0)
2352           finfo path-list path id)
2353       (while alist
2354         (when (and (setq finfo (wl-folder-get-entity-info (car alist)))
2355                    (nth 0 finfo) (nth 1 finfo)
2356                    (> (+ (nth 0 finfo)(nth 1 finfo)) 0))
2357           (setq unread (+ unread (+ (nth 0 finfo)(nth 1 finfo))))
2358           (setq id (wl-folder-get-entity-id (car alist)))
2359           (setq path (delete id (wl-folder-get-path
2360                                  wl-folder-entity
2361                                  id
2362                                  (car alist))))
2363           (if (not (member path path-list))
2364               (wl-append path-list (list path))))
2365         (setq alist (cdr alist)))
2366       (while path-list
2367         (wl-folder-open-folder-sub (car path-list))
2368         (setq path-list (cdr path-list)))
2369       (message "%s unread folder"
2370                (if (> unread 0) unread "No")))))
2371
2372 (defun wl-folder-open-unread-current-entity ()
2373   (interactive)
2374   (let ((entity-name (wl-folder-get-entity-from-buffer))
2375         (group (wl-folder-buffer-group-p)))
2376     (when entity-name
2377       (wl-folder-open-unread-folder
2378        (if group
2379            (wl-folder-search-group-entity-by-name entity-name
2380                                                   wl-folder-entity)
2381          entity-name)))))
2382
2383 (defun wl-folder-open-only-unread-folder ()
2384   (interactive)
2385   (let ((id (progn
2386               (wl-folder-prev-entity-skip-invalid t)
2387               (wl-folder-get-entity-from-buffer t))))
2388     (wl-folder-open-all-unread-folder)
2389     (save-excursion
2390       (goto-char (point-max))
2391       (while (and (re-search-backward
2392                    "^[ ]*\\[[-]\\].+:0/0/[0-9-]+" nil t)
2393                   (not (bobp)))
2394         (wl-folder-jump-to-current-entity) ;; close it
2395         ))
2396     (wl-folder-move-path id)
2397     (recenter)))
2398
2399 (defun wl-folder-open-all-unread-folder (&optional arg)
2400   (interactive "P")
2401   (let ((id (progn
2402               (wl-folder-prev-entity-skip-invalid t)
2403               (wl-folder-get-entity-from-buffer t))))
2404     (wl-folder-open-unread-folder wl-folder-entity)
2405     (if (not arg)
2406         (wl-folder-move-path id)
2407       (goto-char (point-min))
2408       (wl-folder-next-unread t))))
2409
2410 (defun wl-folder-open-folder (&optional fld-name)
2411   (interactive)
2412   (if (not fld-name)
2413       (setq fld-name (wl-summary-read-folder wl-default-folder)))
2414   (let* ((id (wl-folder-get-entity-id
2415               (wl-folder-search-entity-by-name fld-name wl-folder-entity
2416                                                'folder)))
2417          (path (and id (wl-folder-get-path wl-folder-entity id))))
2418       (if path
2419           (wl-folder-open-folder-sub path))))
2420
2421 (defun wl-folder-open-folder-sub (path)
2422   (let ((inhibit-read-only t)
2423         (buffer-read-only nil)
2424         indent name entity
2425         err)
2426     (save-excursion
2427       (goto-char (point-min))
2428       (while (and path
2429                   (wl-folder-buffer-search-group
2430                    (wl-folder-get-petname
2431                     (if (stringp (car path))
2432                         (car path)
2433                       (wl-folder-get-folder-name-by-id
2434                        (car path))))))
2435         (beginning-of-line)
2436         (setq path (cdr path))
2437         (if (and (looking-at wl-folder-group-regexp)
2438                  (string= "+" (wl-match-buffer 2)));; closed group
2439             (save-excursion
2440               (setq indent (wl-match-buffer 1))
2441               (setq name (wl-folder-get-realname (wl-match-buffer 3)))
2442               (setq entity (wl-folder-search-group-entity-by-name
2443                             name
2444                             wl-folder-entity))
2445               ;; insert as opened
2446               (setcdr (assoc (car entity) wl-folder-group-alist) t)
2447               (if (eq 'access (cadr entity))
2448                   (wl-folder-maybe-load-folder-list entity))
2449               (wl-folder-insert-entity indent entity)
2450               (delete-region (save-excursion (beginning-of-line)
2451                                              (point))
2452                              (save-excursion (end-of-line)
2453                                              (+ 1 (point)))))))
2454       (set-buffer-modified-p nil))))
2455
2456 (defun wl-folder-open-all-pre ()
2457   (let ((entities (list wl-folder-entity))
2458         entity entity-stack group-entry)
2459     (while entities
2460       (setq entity (wl-pop entities))
2461       (cond
2462        ((consp entity)
2463         (unless (or (not (setq group-entry
2464                                (assoc (car entity) wl-folder-group-alist)))
2465                     (cdr group-entry))
2466           (setcdr group-entry t)
2467           (when (eq 'access (cadr entity))
2468             (wl-folder-maybe-load-folder-list entity)))
2469         (and entities
2470              (wl-push entities entity-stack))
2471         (setq entities (nth 2 entity))))
2472       (unless entities
2473         (setq entities (wl-pop entity-stack))))))
2474
2475 (defun wl-folder-open-all (&optional refresh)
2476   (interactive "P")
2477   (let* ((inhibit-read-only t)
2478          (buffer-read-only nil)
2479          (len (length wl-folder-group-alist))
2480          (i 0)
2481          indent name entity)
2482     (if refresh
2483         (let ((id (progn
2484                     (wl-folder-prev-entity-skip-invalid t)
2485                     (wl-folder-get-entity-from-buffer t)))
2486               (alist wl-folder-group-alist))
2487           (while alist
2488             (setcdr (pop alist) t))
2489           (erase-buffer)
2490           (wl-folder-insert-entity " " wl-folder-entity)
2491           (wl-folder-move-path id))
2492       (message "Opening all folders...")
2493       (wl-folder-open-all-pre)
2494       (save-excursion
2495         (goto-char (point-min))
2496         (while (re-search-forward
2497                 "^\\([ ]*\\)\\[\\([+]\\)\\]\\(.+\\):[-0-9-]+/[0-9-]+/[0-9-]+\n"
2498                 nil t)
2499           (setq indent (wl-match-buffer 1))
2500           (setq name (wl-folder-get-realname (wl-match-buffer 3)))
2501           (setq entity (wl-folder-search-group-entity-by-name
2502                         name
2503                         wl-folder-entity))
2504           ;; insert as opened
2505           (setcdr (assoc (car entity) wl-folder-group-alist) t)
2506           (forward-line -1)
2507           (wl-folder-insert-entity indent entity)
2508           (delete-region (save-excursion (beginning-of-line)
2509                                          (point))
2510                          (save-excursion (end-of-line)
2511                                          (+ 1 (point))))
2512           (when (> len elmo-display-progress-threshold)
2513             (setq i (1+ i))
2514             (if (or (zerop (% i 5)) (= i len))
2515                 (elmo-display-progress
2516                  'wl-folder-open-all "Opening all folders..."
2517                  (/ (* i 100) len)))))
2518         (when (> len elmo-display-progress-threshold)
2519           (elmo-display-progress
2520            'wl-folder-open-all "Opening all folders..." 100))))
2521     (wl-highlight-folder-path wl-folder-buffer-cur-path)
2522     (message "Opening all folders...done")
2523     (set-buffer-modified-p nil)))
2524
2525 (defun wl-folder-close-all ()
2526   (interactive)
2527   (let ((inhibit-read-only t)
2528         (buffer-read-only nil)
2529         (alist wl-folder-group-alist)
2530         (id (progn
2531               (wl-folder-prev-entity-skip-invalid t)
2532               (wl-folder-get-entity-from-buffer t))))
2533     (while alist
2534       (setcdr (car alist) nil)
2535       (setq alist (cdr alist)))
2536     (setcdr (assoc (car wl-folder-entity) wl-folder-group-alist) t)
2537     (erase-buffer)
2538     (wl-folder-insert-entity " " wl-folder-entity)
2539     (wl-folder-move-path id)
2540     (wl-highlight-folder-path wl-folder-buffer-cur-path)
2541     (recenter)
2542     (set-buffer-modified-p nil)))
2543
2544 (defun wl-folder-open-close ()
2545   "Open or close parent entity."
2546   (interactive)
2547   (save-excursion
2548     (beginning-of-line)
2549     (if (wl-folder-buffer-group-p)
2550         ;; if group (whether opend or closed.)
2551         (wl-folder-jump-to-current-entity)
2552       ;; if folder
2553       (let (indent)
2554         (setq indent (save-excursion
2555                        (re-search-forward "\\([ ]*\\)." nil t)
2556                        (wl-match-buffer 1)))
2557         (while (looking-at indent)
2558           (forward-line -1)))
2559       (wl-folder-jump-to-current-entity))))
2560
2561 (defsubst wl-folder-access-subscribe-p (group folder)
2562   (let (subscr regexp match)
2563     (if (setq subscr (wl-get-assoc-list-value
2564                       wl-folder-access-subscribe-alist
2565                       group))
2566         (progn
2567           (setq regexp (mapconcat 'identity (cdr subscr) "\\|"))
2568           (setq match (string-match regexp folder))
2569           (if (car subscr)
2570               match
2571             (not match)))
2572       t)))
2573
2574 (defun wl-folder-update-access-group (entity new-flist)
2575   (let* ((flist (nth 2 entity))
2576          (unsubscribes (nth 3 entity))
2577          (len (+ (length flist) (length unsubscribes)))
2578          (i 0)
2579          diff new-unsubscribes removes
2580          subscribed-list folder group entry)
2581     ;; check subscribed groups
2582     (while flist
2583       (cond
2584        ((listp (car flist))     ;; group
2585         (setq group (elmo-string (caar flist)))
2586         (cond
2587          ((assoc group new-flist)       ;; found in new-flist
2588           (setq new-flist (delete (assoc group new-flist)
2589                                   new-flist))
2590           (if (wl-folder-access-subscribe-p (car entity) group)
2591               (wl-append subscribed-list (list (car flist)))
2592             (wl-append new-unsubscribes (list (car flist)))
2593             (setq diff t)))
2594          (t
2595           (setq wl-folder-group-alist
2596                 (delete (wl-string-assoc group wl-folder-group-alist)
2597                         wl-folder-group-alist))
2598           (wl-append removes (list (list group))))))
2599        (t                       ;; folder
2600         (setq folder (elmo-string (car flist)))
2601         (cond
2602          ((member folder new-flist)     ;; found in new-flist
2603           (setq new-flist (delete folder new-flist))
2604           (if (wl-folder-access-subscribe-p (car entity) folder)
2605               (wl-append subscribed-list (list (car flist)))
2606             (wl-append new-unsubscribes (list folder))
2607             (setq diff t)))
2608          (t
2609           (wl-append removes (list folder))))))
2610       (when (> len elmo-display-progress-threshold)
2611         (setq i (1+ i))
2612         (if (or (zerop (% i 10)) (= i len))
2613             (elmo-display-progress
2614              'wl-folder-update-access-group "Updating access group..."
2615              (/ (* i 100) len))))
2616       (setq flist (cdr flist)))
2617     ;; check unsubscribed groups
2618     (while unsubscribes
2619       (cond
2620        ((listp (car unsubscribes))
2621         (when (setq entry (assoc (caar unsubscribes) new-flist))
2622           (setq new-flist (delete entry new-flist))
2623           (wl-append new-unsubscribes (list (car unsubscribes)))))
2624        (t
2625         (when (member (car unsubscribes) new-flist)
2626           (setq new-flist (delete (car unsubscribes) new-flist))
2627           (wl-append new-unsubscribes (list (car unsubscribes))))))
2628       (when (> len elmo-display-progress-threshold)
2629         (setq i (1+ i))
2630         (if (or (zerop (% i 10)) (= i len))
2631             (elmo-display-progress
2632              'wl-folder-update-access-group "Updating access group..."
2633              (/ (* i 100) len))))
2634       (setq unsubscribes (cdr unsubscribes)))
2635     ;;
2636     (if (or new-flist removes)
2637         (setq diff t))
2638     (setq new-flist
2639           (mapcar '(lambda (x)
2640                      (cond ((consp x) (list (car x) 'access))
2641                            (t x)))
2642                   new-flist))
2643     ;; check new groups
2644     (let ((new-list new-flist))
2645       (while new-list
2646         (if (not (wl-folder-access-subscribe-p
2647                   (car entity)
2648                   (if (listp (car new-list))
2649                       (caar new-list)
2650                     (car new-list))))
2651             ;; auto unsubscribe
2652             (progn
2653               (wl-append new-unsubscribes (list (car new-list)))
2654               (setq new-flist (delete (car new-list) new-flist)))
2655           (cond
2656            ((listp (car new-list))
2657             ;; check group exists
2658             (if (wl-string-assoc (caar new-list) wl-folder-group-alist)
2659                 (progn
2660                   (message "%s: group already exists." (caar new-list))
2661                   (sit-for 1)
2662                   (wl-append new-unsubscribes (list (car new-list)))
2663                   (setq new-flist (delete (car new-list) new-flist)))
2664               (wl-append wl-folder-group-alist
2665                          (list (cons (caar new-list) nil)))))))
2666         (setq new-list (cdr new-list))))
2667     (if new-flist
2668         (message "%d new folder(s)." (length new-flist))
2669       (message "Updating access group...done"))
2670     (wl-append new-flist subscribed-list)       ;; new is first
2671     (run-hooks 'wl-folder-update-access-group-hook)
2672     (setcdr (cdr entity) (list new-flist new-unsubscribes))
2673     (list diff new-flist new-unsubscribes removes)))
2674
2675 (defun wl-folder-prefetch-entity (entity)
2676   "Prefetch all new messages in the ENTITY."
2677   (cond
2678    ((consp entity)
2679     (let ((flist (nth 2 entity))
2680           (sum-done 0)
2681           (sum-all 0)
2682           result)
2683       (while flist
2684         (setq result (wl-folder-prefetch-entity (car flist)))
2685         (setq sum-done (+ sum-done (car result)))
2686         (setq sum-all (+ sum-all (cdr result)))
2687         (setq flist (cdr flist)))
2688       (message "Prefetched %d/%d message(s) in \"%s\"."
2689                sum-done sum-all
2690                (wl-folder-get-petname (car entity)))
2691       (cons sum-done sum-all)))
2692    ((stringp entity)
2693     (let* ((folder (wl-folder-get-elmo-folder entity))
2694            (nums (wl-folder-get-entity-info entity))
2695            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
2696                                          (wl-summary-always-sticky-folder-p
2697                                           folder))
2698                                      wl-summary-highlight))
2699            wl-summary-exit-next-move
2700            wl-auto-select-first ret-val
2701            count sticky)
2702       (setq count (or (car nums) 0))
2703       (setq count (+ count (wl-folder-count-incorporates folder)))
2704       (if (or (null (car nums)) ; unknown
2705               (< 0 count))
2706           (save-window-excursion
2707             (save-excursion
2708               (let ((wl-summary-buffer-name
2709                      (if (setq sticky (get-buffer
2710                                        (wl-summary-sticky-buffer-name
2711                                         (elmo-folder-name-internal
2712                                          folder))))
2713                          ;; Sticky folder exists.
2714                          (wl-summary-sticky-buffer-name
2715                           (elmo-folder-name-internal folder))                
2716                        (concat
2717                         wl-summary-buffer-name
2718                         (symbol-name this-command))))
2719                     (wl-summary-use-frame nil)
2720                     (wl-summary-always-sticky-folder-list nil))
2721                 (wl-summary-goto-folder-subr entity
2722                                              (wl-summary-get-sync-range
2723                                               folder)
2724                                              nil)
2725                 (setq ret-val (wl-summary-incorporate))
2726                 (if sticky
2727                     (wl-summary-save-status)
2728                   (wl-summary-exit))
2729                 ret-val)))
2730         (cons 0 0))))))
2731
2732 (defun wl-folder-count-incorporates (folder)
2733   (let ((marks (elmo-msgdb-mark-load
2734                 (elmo-folder-msgdb-path folder)))
2735         (sum 0))
2736     (while marks
2737       (if (member (cadr (car marks))
2738                   wl-summary-incorporate-marks)
2739           (incf sum))
2740       (setq marks (cdr marks)))
2741     sum))
2742
2743 (defun wl-folder-prefetch-current-entity (&optional no-check)
2744   "Prefetch all uncached messages in the folder at position.
2745 If current line is group folder, all subfolders are prefetched."
2746   (interactive "P")
2747   (save-excursion
2748     (let ((entity-name (wl-folder-get-entity-from-buffer))
2749           (group (wl-folder-buffer-group-p))
2750           wl-folder-check-entity-hook
2751           summary-buf entity)
2752       (when entity-name
2753         (setq entity
2754               (if group
2755                   (wl-folder-search-group-entity-by-name entity-name
2756                                                          wl-folder-entity)
2757                 entity-name))
2758         (if (not no-check)
2759             (wl-folder-check-entity entity))
2760         (wl-folder-prefetch-entity entity)))))
2761
2762 ;(defun wl-folder-drop-unsync-entity (entity)
2763 ;  "Drop all unsync messages in the ENTITY."
2764 ;  (cond
2765 ;   ((consp entity)
2766 ;    (let ((flist (nth 2 entity)))
2767 ;      (while flist
2768 ;       (wl-folder-drop-unsync-entity (car flist))
2769 ;       (setq flist (cdr flist)))))
2770 ;   ((stringp entity)
2771 ;    (let ((nums (wl-folder-get-entity-info entity))
2772 ;         wl-summary-highlight wl-auto-select-first new)
2773 ;      (setq new (or (car nums) 0))
2774 ;      (if (< 0 new)
2775 ;         (save-window-excursion
2776 ;           (save-excursion
2777 ;             (let ((wl-summary-buffer-name (concat
2778 ;                                            wl-summary-buffer-name
2779 ;                                            (symbol-name this-command))))
2780 ;               (wl-summary-goto-folder-subr entity 'no-sync nil)
2781 ;               (wl-summary-drop-unsync)
2782 ;               (wl-summary-exit)))))))))
2783
2784 ;(defun wl-folder-drop-unsync-current-entity (&optional force-check)
2785 ;  "Drop all unsync messages in the folder at position.
2786 ;If current line is group folder, all subfolders are dropped.
2787 ;If optional arg exists, don't check any folders."
2788 ;  (interactive "P")
2789 ;  (save-excursion
2790 ;    (let ((entity-name (wl-folder-get-entity-from-buffer))
2791 ;         (group (wl-folder-buffer-group-p))
2792 ;         wl-folder-check-entity-hook
2793 ;         summary-buf entity)
2794 ;      (when (and entity-name
2795 ;                (y-or-n-p (format
2796 ;                           "Drop all unsync messages in %s? " entity-name)))
2797 ;       (setq entity
2798 ;             (if group
2799 ;                 (wl-folder-search-group-entity-by-name entity-name
2800 ;                                                        wl-folder-entity)
2801 ;               entity-name))
2802 ;       (if (null force-check)
2803 ;           (wl-folder-check-entity entity))
2804 ;       (wl-folder-drop-unsync-entity entity)
2805 ;       (message "All unsync messages in %s are dropped!" entity-name)))))
2806
2807 (defun wl-folder-write-current-folder ()
2808   "Write message to current folder's newsgroup or mailing-list.
2809 Call `wl-summary-write-current-folder' with current folder name."
2810   (interactive)
2811   (unless (wl-folder-buffer-group-p)
2812     (wl-summary-write-current-folder
2813      (wl-folder-get-realname (wl-folder-entity-name)))))
2814
2815 (defun wl-folder-mimic-kill-buffer ()
2816   "Kill the current (Folder) buffer with query."
2817   (interactive)
2818   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
2819                                       (buffer-name))))
2820         wl-interactive-exit)
2821     (if (or (not bufname)
2822             (string-equal bufname "")
2823             (string-equal bufname (buffer-name)))
2824         (wl-exit)
2825       (kill-buffer bufname))))
2826
2827 (defun wl-folder-create-subr (folder)
2828   (if (elmo-folder-creatable-p folder)
2829   (if (y-or-n-p (format "Folder %s does not exist, create it? "
2830                         (elmo-folder-name-internal folder)))
2831       (progn
2832         (message "")
2833         (setq wl-folder-entity-hashtb
2834               (wl-folder-create-entity-hashtb
2835                (elmo-folder-name-internal folder)
2836                wl-folder-entity-hashtb))
2837         (unless (elmo-folder-create folder)
2838           (error "Create folder failed")))
2839         (error "Folder %s is not created" (elmo-folder-name-internal folder)))
2840     (error "Folder %s does not exist" (elmo-folder-name-internal folder))))
2841
2842 (defun wl-folder-confirm-existence (folder &optional force)
2843   (if force
2844       (unless (elmo-folder-exists-p folder)
2845         (wl-folder-create-subr folder))
2846     (unless (or (wl-folder-entity-exists-p (elmo-folder-name-internal folder))
2847                 (file-exists-p (elmo-folder-msgdb-path folder))
2848                 (elmo-folder-exists-p folder))
2849       (wl-folder-create-subr folder))))
2850
2851 (defun wl-folder-virtual ()
2852   "Goto virtual folder."
2853   (interactive)
2854   (let ((entity (wl-folder-get-entity-from-buffer)))
2855     (if (wl-folder-buffer-group-p)
2856         (setq entity
2857               (concat
2858                "*"
2859                (mapconcat 'identity
2860                           (wl-folder-get-entity-list
2861                            (wl-folder-search-group-entity-by-name
2862                             entity
2863                             wl-folder-entity)) ","))))
2864     (unless entity (error "No folder"))
2865     (wl-folder-goto-folder-subr
2866      (concat "/"
2867              (elmo-read-search-condition
2868               wl-fldmgr-make-filter-default)
2869              "/" entity))))
2870
2871 (defun wl-folder-pick ()
2872   (interactive)
2873   (save-excursion
2874     (let* ((condition (car (elmo-parse-search-condition
2875                             (elmo-read-search-condition
2876                              wl-summary-pick-field-default))))
2877            (entity (wl-folder-get-entity-from-buffer))
2878            (folder-list
2879             (if (wl-folder-buffer-group-p)
2880                 (wl-folder-get-entity-list
2881                  (wl-folder-search-group-entity-by-name
2882                   entity
2883                   wl-folder-entity))
2884               (list entity)))
2885            results ret)
2886       (while (car folder-list)
2887         (setq ret (elmo-folder-search
2888                    (wl-folder-get-elmo-folder (car folder-list))
2889                    condition))
2890         (if ret
2891             (setq results
2892                   (append results
2893                           (list (cons (car folder-list) ret)))))
2894         (setq folder-list (cdr folder-list)))
2895       (if results
2896           (message "%s are picked."
2897                    (mapconcat '(lambda (res)
2898                                  (format "%s(%d)"
2899                                          (car res)
2900                                          (length (cdr res))))
2901                               results
2902                               ","))
2903         (message "No message was picked.")))))
2904
2905 (defun wl-folder-jump-to-next-summary ()
2906   (interactive)
2907   (when (wl-collect-summary)
2908     (if (get-buffer-window (car (wl-collect-summary)))
2909         (switch-to-buffer-other-window (car (wl-collect-summary))))
2910     (wl-summary-next-buffer)))
2911
2912 (defun wl-folder-jump-to-previous-summary ()
2913   (interactive)
2914   (when (wl-collect-summary)
2915     (if (get-buffer-window (car (wl-collect-summary)))
2916         (switch-to-buffer-other-window (car (wl-collect-summary))))
2917     (wl-summary-previous-buffer)))
2918
2919 (require 'product)
2920 (product-provide (provide 'wl-folder) (require 'wl-version))
2921
2922 ;;; wl-folder.el ends here